21922811662 has 16 divisors (see below), whose sum is σ = 32985588240. Its totient is φ = 10927639872.

The previous prime is 21922811653. The next prime is 21922811671. The reversal of 21922811662 is 26611822912.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21922811653) and next prime (21922811671).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2676289 + ... + 2684467.

It is an arithmetic number, because the mean of its divisors is an integer number (2061599265).

Almost surely, 2^21922811662 is an apocalyptic number.

21922811662 is a deficient number, since it is larger than the sum of its proper divisors (11062776578).

21922811662 is a wasteful number, since it uses less digits than its factorization.

21922811662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12147.

The product of its digits is 41472, while the sum is 40.

The spelling of 21922811662 in words is "twenty-one billion, nine hundred twenty-two million, eight hundred eleven thousand, six hundred sixty-two".