22099984 has 40 divisors (see below), whose sum is σ = 44684640. Its totient is φ = 10579200.

The previous prime is 22099967. The next prime is 22099997. The reversal of 22099984 is 48999022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22099984.

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, 38419 + ... + 38989.

It is an arithmetic number, because the mean of its divisors is an integer number (1117116).

Almost surely, 2^22099984 is an apocalyptic number.

It is an amenable number.

22099984 is an abundant number, since it is smaller than the sum of its proper divisors (22584656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22099984 is a wasteful number, since it uses less digits than its factorization.

22099984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 22099984 is about 4701.0620076744. The cubic root of 22099984 is about 280.6277751159.

The spelling of 22099984 in words is "twenty-two million, ninety-nine thousand, nine hundred eighty-four".