23214285 has 12 divisors (see below), whose sum is σ = 40238172. Its totient is φ = 12380928.

The previous prime is 23214277. The next prime is 23214307. The reversal of 23214285 is 58241232.

23214285 is a `hidden beast` number, since 232 + 1 + 428 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2883204 + 20331081 = 1698^2 + 4509^2 .

It is not a de Polignac number, because 23214285 - 2³ = 23214277 is a prime.

It is a super-2 number, since 2×23214285² = 1077806056122450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257892 + ... + 257981.

It is an arithmetic number, because the mean of its divisors is an integer number (3353181).

Almost surely, 2^23214285 is an apocalyptic number.

It is an amenable number.

23214285 is a deficient number, since it is larger than the sum of its proper divisors (17023887).

23214285 is a wasteful number, since it uses less digits than its factorization.

23214285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515884 (or 515881 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 23214285 is about 4818.1204841722. The cubic root of 23214285 is about 285.2671548502.

The spelling of 23214285 in words is "twenty-three million, two hundred fourteen thousand, two hundred eighty-five".