501228255 has 32 divisors (see below), whose sum is σ = 926339328. Its totient is φ = 228723200.

The previous prime is 501228223. The next prime is 501228269. The reversal of 501228255 is 552822105.

It is not a de Polignac number, because 501228255 - 2⁵ = 501228223 is a prime.

It is a super-2 number, since 2×501228255² = 502459527220690050, 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 31 ways as a sum of consecutive naturals, for example, 86541 + ... + 92150.

It is an arithmetic number, because the mean of its divisors is an integer number (28948104).

Almost surely, 2^501228255 is an apocalyptic number.

501228255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

501228255 is a deficient number, since it is larger than the sum of its proper divisors (425111073).

501228255 is a wasteful number, since it uses less digits than its factorization.

501228255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178727.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 501228255 is about 22388.1275456435. The cubic root of 501228255 is about 794.3499056312.

The spelling of 501228255 in words is "five hundred one million, two hundred twenty-eight thousand, two hundred fifty-five".