22021339012 has 12 divisors (see below), whose sum is σ = 38539737936. Its totient is φ = 11009985320.

The previous prime is 22021339007. The next prime is 22021339013. The reversal of 22021339012 is 21093312022.

It is a super-2 number, since 2×22021339012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22021339013) 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, 94858 + ... + 230305.

It is an arithmetic number, because the mean of its divisors is an integer number (3211644828).

Almost surely, 2^22021339012 is an apocalyptic number.

It is an amenable number.

22021339012 is a deficient number, since it is larger than the sum of its proper divisors (16518398924).

22021339012 is a wasteful number, since it uses less digits than its factorization.

22021339012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342098 (or 342096 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 22021339012 in words is "twenty-two billion, twenty-one million, three hundred thirty-nine thousand, twelve".