22402085 has 8 divisors (see below), whose sum is σ = 26930040. Its totient is φ = 17889984.

The previous prime is 22402063. The next prime is 22402091. The reversal of 22402085 is 58020422.

It can be written as a sum of positive squares in 4 ways, for example, as 114244 + 22287841 = 338^2 + 4721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22402085 - 2²² = 18207781 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22402085.

It is a congruent number.

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, 590 + ... + 6719.

It is an arithmetic number, because the mean of its divisors is an integer number (3366255).

Almost surely, 2^22402085 is an apocalyptic number.

It is an amenable number.

22402085 is a deficient number, since it is larger than the sum of its proper divisors (4527955).

22402085 is an equidigital number, since it uses as much as digits as its factorization.

22402085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7927.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 22402085 is about 4733.0840896819. The cubic root of 22402085 is about 281.9006952123.

The spelling of 22402085 in words is "twenty-two million, four hundred two thousand, eighty-five".