22366442 has 24 divisors (see below), whose sum is σ = 40728096. Its totient is φ = 9167928.

The previous prime is 22366427. The next prime is 22366451. The reversal of 22366442 is 24466322.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2708 + ... + 7215.

It is an arithmetic number, because the mean of its divisors is an integer number (1697004).

Almost surely, 2^22366442 is an apocalyptic number.

22366442 is a deficient number, since it is larger than the sum of its proper divisors (18361654).

22366442 is a wasteful number, since it uses less digits than its factorization.

22366442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9962 (or 9955 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 22366442 is about 4729.3172868819. The cubic root of 22366442 is about 281.7511091349.

The spelling of 22366442 in words is "twenty-two million, three hundred sixty-six thousand, four hundred forty-two".