22510405352 has 8 divisors (see below), whose sum is σ = 42207010050. Its totient is φ = 11255202672.

The previous prime is 22510405343. The next prime is 22510405369. The reversal of 22510405352 is 25350401522.

It can be written as a sum of positive squares in only one way, i.e., 12039795076 + 10470610276 = 109726^2 + 102326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22510405352² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406900327 + ... + 1406900342.

Almost surely, 2^22510405352 is an apocalyptic number.

It is an amenable number.

22510405352 is a deficient number, since it is larger than the sum of its proper divisors (19696604698).

22510405352 is a wasteful number, since it uses less digits than its factorization.

22510405352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813800675 (or 2813800671 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 22510405352 its reverse (25350401522), we get a palindrome (47860806874).

The spelling of 22510405352 in words is "twenty-two billion, five hundred ten million, four hundred five thousand, three hundred fifty-two".