22872085 has 4 divisors (see below), whose sum is σ = 27446508. Its totient is φ = 18297664.

The previous prime is 22872053. The next prime is 22872103. The reversal of 22872085 is 58027822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13593969 + 9278116 = 3687^2 + 3046^2 .

It is a cyclic number.

It is not a de Polignac number, because 22872085 - 2⁵ = 22872053 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 22872085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2287204 + ... + 2287213.

It is an arithmetic number, because the mean of its divisors is an integer number (6861627).

Almost surely, 2^22872085 is an apocalyptic number.

It is an amenable number.

22872085 is a deficient number, since it is larger than the sum of its proper divisors (4574423).

22872085 is an equidigital number, since it uses as much as digits as its factorization.

22872085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574422.

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

The square root of 22872085 is about 4782.4768687365. The cubic root of 22872085 is about 283.8585099942.

The spelling of 22872085 in words is "twenty-two million, eight hundred seventy-two thousand, eighty-five".