215252848 has 20 divisors (see below), whose sum is σ = 431434440. Its totient is φ = 103914944.

The previous prime is 215252839. The next prime is 215252857. The reversal of 215252848 is 848252512.

It is an interprime number because it is at equal distance from previous prime (215252839) and next prime (215252857).

It is a super-2 number, since 2×215252848² = 92667577144222208, 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 3 ways as a sum of consecutive naturals, for example, 231490 + ... + 232417.

It is an arithmetic number, because the mean of its divisors is an integer number (21571722).

Almost surely, 2^215252848 is an apocalyptic number.

It is an amenable number.

215252848 is an abundant number, since it is smaller than the sum of its proper divisors (216181592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215252848 is a wasteful number, since it uses less digits than its factorization.

215252848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463944 (or 463938 counting only the distinct ones).

The product of its digits is 51200, while the sum is 37.

The square root of 215252848 is about 14671.4978103805. The cubic root of 215252848 is about 599.3073933937.

The spelling of 215252848 in words is "two hundred fifteen million, two hundred fifty-two thousand, eight hundred forty-eight".