21322222312 has 64 divisors (see below), whose sum is σ = 42232700160. Its totient is φ = 10072128000.

The previous prime is 21322222309. The next prime is 21322222333.

21322222312 is nontrivially palindromic in base 10.

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, 9346612 + ... + 9348892.

It is an arithmetic number, because the mean of its divisors is an integer number (659885940).

Almost surely, 2^21322222312 is an apocalyptic number.

It is an amenable number.

21322222312 is a deficient number, since it is larger than the sum of its proper divisors (20910477848).

21322222312 is a wasteful number, since it uses less digits than its factorization.

21322222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914 (or 2910 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The spelling of 21322222312 in words is "twenty-one billion, three hundred twenty-two million, two hundred twenty-two thousand, three hundred twelve".