22059996 has 36 divisors (see below), whose sum is σ = 59878728. Its totient is φ = 6302688.

The previous prime is 22059977. The next prime is 22059997. The reversal of 22059996 is 69995022.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22059997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18171 + ... + 19346.

It is an arithmetic number, because the mean of its divisors is an integer number (1663298).

Almost surely, 2^22059996 is an apocalyptic number.

It is an amenable number.

22059996 is an abundant number, since it is smaller than the sum of its proper divisors (37818732).

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

22059996 is a wasteful number, since it uses less digits than its factorization.

22059996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37538 (or 37529 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 22059996 is about 4696.8070005058. The cubic root of 22059996 is about 280.4584157393.

The spelling of 22059996 in words is "twenty-two million, fifty-nine thousand, nine hundred ninety-six".