22202285 has 16 divisors (see below), whose sum is σ = 30657792. Its totient is φ = 15120000.

The previous prime is 22202263. The next prime is 22202309. The reversal of 22202285 is 58220222.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-22202285 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22202285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3185 + ... + 7385.

It is an arithmetic number, because the mean of its divisors is an integer number (1916112).

Almost surely, 2^22202285 is an apocalyptic number.

It is an amenable number.

22202285 is a deficient number, since it is larger than the sum of its proper divisors (8455507).

22202285 is a wasteful number, since it uses less digits than its factorization.

22202285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364.

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

The square root of 22202285 is about 4711.9300716373. The cubic root of 22202285 is about 281.0601180879.

The spelling of 22202285 in words is "twenty-two million, two hundred two thousand, two hundred eighty-five".