22449522 has 8 divisors (see below), whose sum is σ = 44899056. Its totient is φ = 7483172.

The previous prime is 22449521. The next prime is 22449523. The reversal of 22449522 is 22594422.

It is an interprime number because it is at equal distance from previous prime (22449521) and next prime (22449523).

It is a sphenic number, since it is the product of 3 distinct primes.

22449522 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22449522.

It is not an unprimeable number, because it can be changed into a prime (22449521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870788 + ... + 1870799.

It is an arithmetic number, because the mean of its divisors is an integer number (5612382).

Almost surely, 2^22449522 is an apocalyptic number.

22449522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22449522 is a wasteful number, since it uses less digits than its factorization.

22449522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741592.

The product of its digits is 11520, while the sum is 30.

The square root of 22449522 is about 4738.0926542228. The cubic root of 22449522 is about 282.0995322920.

The spelling of 22449522 in words is "twenty-two million, four hundred forty-nine thousand, five hundred twenty-two".