22870285 has 8 divisors (see below), whose sum is σ = 27471096. Its totient is φ = 18278400.

The previous prime is 22870273. The next prime is 22870297. The reversal of 22870285 is 58207822.

It is an interprime number because it is at equal distance from previous prime (22870273) and next prime (22870297).

It can be written as a sum of positive squares in 4 ways, for example, as 11269449 + 11600836 = 3357^2 + 3406^2 .

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

It is not a de Polignac number, because 22870285 - 2⁹ = 22869773 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 22870285.

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, 6577 + ... + 9433.

It is an arithmetic number, because the mean of its divisors is an integer number (3433887).

Almost surely, 2^22870285 is an apocalyptic number.

It is an amenable number.

22870285 is a deficient number, since it is larger than the sum of its proper divisors (4600811).

22870285 is a wasteful number, since it uses less digits than its factorization.

22870285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 22870285 is about 4782.2886780285. The cubic root of 22870285 is about 283.8510633809.

The spelling of 22870285 in words is "twenty-two million, eight hundred seventy thousand, two hundred eighty-five".