22080450 has 96 divisors (see below), whose sum is σ = 66317184. Its totient is φ = 4746240.

The previous prime is 22080431. The next prime is 22080479. The reversal of 22080450 is 5408022.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 17232 + ... + 18468.

It is an arithmetic number, because the mean of its divisors is an integer number (690804).

Almost surely, 2^22080450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22080450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33158592).

22080450 is an abundant number, since it is smaller than the sum of its proper divisors (44236734).

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

22080450 is a wasteful number, since it uses less digits than its factorization.

22080450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 22080450 is about 4698.9839327242. The cubic root of 22080450 is about 280.5450691909.

Adding to 22080450 its reverse (5408022), we get a palindrome (27488472).

The spelling of 22080450 in words is "twenty-two million, eighty thousand, four hundred fifty".