22546000402 has 16 divisors (see below), whose sum is σ = 34708628952. Its totient is φ = 10979562880.

The previous prime is 22546000391. The next prime is 22546000441. The reversal of 22546000402 is 20400064522.

It can be written as a sum of positive squares in 4 ways, for example, as 22013360161 + 532640241 = 148369^2 + 23079^2 .

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, 761749 + ... + 790792.

Almost surely, 2^22546000402 is an apocalyptic number.

22546000402 is a deficient number, since it is larger than the sum of its proper divisors (12162628550).

22546000402 is a wasteful number, since it uses less digits than its factorization.

22546000402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552733.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22546000402 its reverse (20400064522), we get a palindrome (42946064924).

The spelling of 22546000402 in words is "twenty-two billion, five hundred forty-six million, four hundred two", and thus it is an aban number.