22235985 has 32 divisors (see below), whose sum is σ = 41616000. Its totient is φ = 11233728.

The previous prime is 22235977. The next prime is 22235987. The reversal of 22235985 is 58953222.

22235985 is a `hidden beast` number, since 222 + 359 + 85 = 666.

It is not a de Polignac number, because 22235985 - 2³ = 22235977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22235987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1770 + ... + 6899.

It is an arithmetic number, because the mean of its divisors is an integer number (1300500).

Almost surely, 2^22235985 is an apocalyptic number.

It is an amenable number.

22235985 is a deficient number, since it is larger than the sum of its proper divisors (19380015).

22235985 is a wasteful number, since it uses less digits than its factorization.

22235985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8702 (or 8696 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 22235985 is about 4715.5047449875. The cubic root of 22235985 is about 281.2022496712.

It can be divided in two parts, 22235 and 985, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 22235985 in words is "twenty-two million, two hundred thirty-five thousand, nine hundred eighty-five".