3345221550 has 96 divisors (see below), whose sum is σ = 9261014400. Its totient is φ = 792086400.

The previous prime is 3345221497. The next prime is 3345221629. The reversal of 3345221550 is 551225433.

3345221550 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3345221550² = 22381014437168805000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47376 + ... + 94524.

It is an arithmetic number, because the mean of its divisors is an integer number (96468900).

Almost surely, 2^3345221550 is an apocalyptic number.

3345221550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3345221550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4630507200).

3345221550 is an abundant number, since it is smaller than the sum of its proper divisors (5915792850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3345221550 is a wasteful number, since it uses less digits than its factorization.

3345221550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47218 (or 47213 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 3345221550 is about 57837.8902623531. The cubic root of 3345221550 is about 1495.5753388602.

Adding to 3345221550 its reverse (551225433), we get a palindrome (3896446983).

The spelling of 3345221550 in words is "three billion, three hundred forty-five million, two hundred twenty-one thousand, five hundred fifty".