22290835 has 24 divisors (see below), whose sum is σ = 31970160. Its totient is φ = 14865984.

The previous prime is 22290817. The next prime is 22290869. The reversal of 22290835 is 53809222.

It is not a de Polignac number, because 22290835 - 2⁷ = 22290707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22290797 and 22290806.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7836 + ... + 10294.

It is an arithmetic number, because the mean of its divisors is an integer number (1332090).

Almost surely, 2^22290835 is an apocalyptic number.

22290835 is a deficient number, since it is larger than the sum of its proper divisors (9679325).

22290835 is a wasteful number, since it uses less digits than its factorization.

22290835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515 (or 2508 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 22290835 is about 4721.3170831877. The cubic root of 22290835 is about 281.4332757693.

The spelling of 22290835 in words is "twenty-two million, two hundred ninety thousand, eight hundred thirty-five".