22105407530 has 32 divisors (see below), whose sum is σ = 42820986960. Its totient is φ = 8185605120.

The previous prime is 22105407523. The next prime is 22105407589. The reversal of 22105407530 is 3570450122.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7690763809 + 14414643721 = 87697^2 + 120061^2 .

It is a super-3 number, since 3×22105407530³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22105407493 and 22105407502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1055465 + ... + 1076204.

Almost surely, 2^22105407530 is an apocalyptic number.

22105407530 is a deficient number, since it is larger than the sum of its proper divisors (20715579430).

22105407530 is a wasteful number, since it uses less digits than its factorization.

22105407530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131754.

The product of its (nonzero) digits is 8400, while the sum is 29.

Adding to 22105407530 its reverse (3570450122), we get a palindrome (25675857652).

The spelling of 22105407530 in words is "twenty-two billion, one hundred five million, four hundred seven thousand, five hundred thirty".