22542607542 has 32 divisors (see below), whose sum is σ = 55489496832. Its totient is φ = 5945302944.

The previous prime is 22542607537. The next prime is 22542607561. The reversal of 22542607542 is 24570624522.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 22542607542.

It is a congruent number.

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, 20642868 + ... + 20643959.

It is an arithmetic number, because the mean of its divisors is an integer number (1734046776).

Almost surely, 2^22542607542 is an apocalyptic number.

22542607542 is an abundant number, since it is smaller than the sum of its proper divisors (32946889290).

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

22542607542 is a wasteful number, since it uses less digits than its factorization.

22542607542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41286852.

The product of its (nonzero) digits is 268800, while the sum is 39.

The spelling of 22542607542 in words is "twenty-two billion, five hundred forty-two million, six hundred seven thousand, five hundred forty-two".