512222505 has 32 divisors (see below), whose sum is σ = 849864960. Its totient is φ = 263128320.

The previous prime is 512222423. The next prime is 512222519. The reversal of 512222505 is 505222215.

It is not a de Polignac number, because 512222505 - 2⁷ = 512222377 is a prime.

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, 217635 + ... + 219975.

It is an arithmetic number, because the mean of its divisors is an integer number (26558280).

Almost surely, 2^512222505 is an apocalyptic number.

It is an amenable number.

512222505 is a deficient number, since it is larger than the sum of its proper divisors (337642455).

512222505 is a wasteful number, since it uses less digits than its factorization.

512222505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881.

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

The square root of 512222505 is about 22632.3331762326. Note that the first 3 decimals coincide. The cubic root of 512222505 is about 800.1158712373.

The spelling of 512222505 in words is "five hundred twelve million, two hundred twenty-two thousand, five hundred five".