22450450 has 24 divisors (see below), whose sum is σ = 45555120. Its totient is φ = 8163600.

The previous prime is 22450433. The next prime is 22450451. The reversal of 22450450 is 5405422.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (22450451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19860 + ... + 20959.

It is an arithmetic number, because the mean of its divisors is an integer number (1898130).

Almost surely, 2^22450450 is an apocalyptic number.

22450450 is an abundant number, since it is smaller than the sum of its proper divisors (23104670).

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

22450450 is a wasteful number, since it uses less digits than its factorization.

22450450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40842 (or 40837 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22450450 is about 4738.1905829124. The cubic root of 22450450 is about 282.1034193051.

Adding to 22450450 its reverse (5405422), we get a palindrome (27855872).

The spelling of 22450450 in words is "twenty-two million, four hundred fifty thousand, four hundred fifty".