22025021764 has 24 divisors (see below), whose sum is σ = 39056865120. Its totient is φ = 10866249024.

The previous prime is 22025021729. The next prime is 22025021803. The reversal of 22025021764 is 46712052022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227587 + ... + 309589.

It is an arithmetic number, because the mean of its divisors is an integer number (1627369380).

Almost surely, 2^22025021764 is an apocalyptic number.

It is an amenable number.

22025021764 is a deficient number, since it is larger than the sum of its proper divisors (17031843356).

22025021764 is a wasteful number, since it uses less digits than its factorization.

22025021764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82899 (or 82897 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 22025021764 its reverse (46712052022), we get a palindrome (68737073786).

The spelling of 22025021764 in words is "twenty-two billion, twenty-five million, twenty-one thousand, seven hundred sixty-four".