22040423052 has 24 divisors (see below), whose sum is σ = 53201022000. Its totient is φ = 7093469376.

The previous prime is 22040423039. The next prime is 22040423123. The reversal of 22040423052 is 25032404022.

It is a happy number.

It is a super-2 number, since 2×22040423052² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31666927 + ... + 31667622.

It is an arithmetic number, because the mean of its divisors is an integer number (2216709250).

Almost surely, 2^22040423052 is an apocalyptic number.

It is an amenable number.

22040423052 is an abundant number, since it is smaller than the sum of its proper divisors (31160598948).

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

22040423052 is a wasteful number, since it uses less digits than its factorization.

22040423052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63334585 (or 63334583 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 22040423052 its reverse (25032404022), we get a palindrome (47072827074).

The spelling of 22040423052 in words is "twenty-two billion, forty million, four hundred twenty-three thousand, fifty-two".