215202255 has 16 divisors (see below), whose sum is σ = 346520544. Its totient is φ = 114042240.

The previous prime is 215202223. The next prime is 215202271. The reversal of 215202255 is 552202512.

It is not a de Polignac number, because 215202255 - 2⁵ = 215202223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43336 + ... + 48045.

It is an arithmetic number, because the mean of its divisors is an integer number (21657534).

Almost surely, 2^215202255 is an apocalyptic number.

215202255 is a deficient number, since it is larger than the sum of its proper divisors (131318289).

215202255 is a wasteful number, since it uses less digits than its factorization.

215202255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91546.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 215202255 is about 14669.7735156341. The cubic root of 215202255 is about 599.2604360053.

Adding to 215202255 its reverse (552202512), we get a palindrome (767404767).

The spelling of 215202255 in words is "two hundred fifteen million, two hundred two thousand, two hundred fifty-five".