22211996 has 48 divisors (see below), whose sum is σ = 43690752. Its totient is φ = 9830400.

The previous prime is 22211993. The next prime is 22212017. The reversal of 22211996 is 69911222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86300 + ... + 86556.

It is an arithmetic number, because the mean of its divisors is an integer number (910224).

Almost surely, 2^22211996 is an apocalyptic number.

It is an amenable number.

22211996 is a deficient number, since it is larger than the sum of its proper divisors (21478756).

22211996 is a wasteful number, since it uses less digits than its factorization.

22211996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 348 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 22211996 is about 4712.9604284356. The cubic root of 22211996 is about 281.1010895010.

The spelling of 22211996 in words is "twenty-two million, two hundred eleven thousand, nine hundred ninety-six".