3522220400 has 60 divisors (see below), whose sum is σ = 8504850000. Its totient is φ = 1401776640.

The previous prime is 3522220397. The next prime is 3522220423. The reversal of 3522220400 is 40222253.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57476 + ... + 101724.

It is an arithmetic number, because the mean of its divisors is an integer number (141747500).

Almost surely, 2^3522220400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3522220400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4252425000).

3522220400 is an abundant number, since it is smaller than the sum of its proper divisors (4982629600).

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

3522220400 is a wasteful number, since it uses less digits than its factorization.

3522220400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44466 (or 44455 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 3522220400 is about 59348.2973639514. The cubic root of 3522220400 is about 1521.5007684247.

Adding to 3522220400 its reverse (40222253), we get a palindrome (3562442653).

The spelling of 3522220400 in words is "three billion, five hundred twenty-two million, two hundred twenty thousand, four hundred".