22513530042 has 32 divisors (see below), whose sum is σ = 50036500800. Its totient is φ = 7503544944.

The previous prime is 22513530031. The next prime is 22513530101. The reversal of 22513530042 is 24003531522.

It is a happy number.

22513530042 is a `hidden beast` number, since 225 + 135 + 300 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22513529988 and 22513530015.

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, 487509 + ... + 531687.

It is an arithmetic number, because the mean of its divisors is an integer number (1563640650).

Almost surely, 2^22513530042 is an apocalyptic number.

22513530042 is an abundant number, since it is smaller than the sum of its proper divisors (27522970758).

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

22513530042 is a wasteful number, since it uses less digits than its factorization.

22513530042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53627 (or 53621 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 22513530042 in words is "twenty-two billion, five hundred thirteen million, five hundred thirty thousand, forty-two".