22546920609 has 24 divisors (see below), whose sum is σ = 33703798440. Its totient is φ = 14507361792.

The previous prime is 22546920559. The next prime is 22546920611. The reversal of 22546920609 is 90602964522.

22546920609 is a `hidden beast` number, since 22 + 546 + 9 + 20 + 60 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 158382225 + 22388538384 = 12585^2 + 149628^2 .

It is not a de Polignac number, because 22546920609 - 2⁸ = 22546920353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22546920629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 724167 + ... + 754659.

It is an arithmetic number, because the mean of its divisors is an integer number (1404324935).

Almost surely, 2^22546920609 is an apocalyptic number.

22546920609 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22546920609 is a deficient number, since it is larger than the sum of its proper divisors (11156877831).

22546920609 is a wasteful number, since it uses less digits than its factorization.

22546920609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33361 (or 33358 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 22546920609 in words is "twenty-two billion, five hundred forty-six million, nine hundred twenty thousand, six hundred nine".