22002285 has 16 divisors (see below), whose sum is σ = 37056960. Its totient is φ = 11116800.

The previous prime is 22002269. The next prime is 22002289. The reversal of 22002285 is 58220022.

It is not a de Polignac number, because 22002285 - 2⁴ = 22002269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38316 + ... + 38885.

It is an arithmetic number, because the mean of its divisors is an integer number (2316060).

Almost surely, 2^22002285 is an apocalyptic number.

It is an amenable number.

22002285 is a deficient number, since it is larger than the sum of its proper divisors (15054675).

22002285 is a wasteful number, since it uses less digits than its factorization.

22002285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77228.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 22002285 is about 4690.6593353174. The cubic root of 22002285 is about 280.2136337295.

The spelling of 22002285 in words is "twenty-two million, two thousand, two hundred eighty-five".