22542020224 has 32 divisors (see below), whose sum is σ = 44986724640. Its totient is φ = 11251234560.

The previous prime is 22542020177. The next prime is 22542020227. The reversal of 22542020224 is 42202024522.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (22542020227) 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, 81124 + ... + 227299.

It is an arithmetic number, because the mean of its divisors is an integer number (1405835145).

Almost surely, 2^22542020224 is an apocalyptic number.

It is an amenable number.

22542020224 is a deficient number, since it is larger than the sum of its proper divisors (22444704416).

22542020224 is an equidigital number, since it uses as much as digits as its factorization.

22542020224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309008 (or 308996 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 22542020224 its reverse (42202024522), we get a palindrome (64744044746).

The spelling of 22542020224 in words is "twenty-two billion, five hundred forty-two million, twenty thousand, two hundred twenty-four".