22120686 has 36 divisors (see below), whose sum is σ = 54906072. Its totient is φ = 6305112.

The previous prime is 22120673. The next prime is 22120697. The reversal of 22120686 is 68602122.

It is a super-2 number, since 2×22120686² = 978649498221192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 52585 + ... + 53003.

Almost surely, 2^22120686 is an apocalyptic number.

22120686 is an abundant number, since it is smaller than the sum of its proper divisors (32785386).

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

22120686 is an equidigital number, since it uses as much as digits as its factorization.

22120686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22120686 is about 4703.2633351748. The cubic root of 22120686 is about 280.7153731148.

The spelling of 22120686 in words is "twenty-two million, one hundred twenty thousand, six hundred eighty-six".