22420524556 has 12 divisors (see below), whose sum is σ = 39788537040. Its totient is φ = 11052371120.

The previous prime is 22420524541. The next prime is 22420524559. The reversal of 22420524556 is 65542502422.

It is not an unprimeable number, because it can be changed into a prime (22420524559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39472471 + ... + 39473038.

It is an arithmetic number, because the mean of its divisors is an integer number (3315711420).

Almost surely, 2^22420524556 is an apocalyptic number.

It is an amenable number.

22420524556 is a deficient number, since it is larger than the sum of its proper divisors (17368012484).

22420524556 is a wasteful number, since it uses less digits than its factorization.

22420524556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78945584 (or 78945582 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 22420524556 in words is "twenty-two billion, four hundred twenty million, five hundred twenty-four thousand, five hundred fifty-six".