512152222 has 4 divisors (see below), whose sum is σ = 768228336. Its totient is φ = 256076110.

The previous prime is 512152213. The next prime is 512152241. The reversal of 512152222 is 222251215.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 512152193 and 512152202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128038054 + ... + 128038057.

It is an arithmetic number, because the mean of its divisors is an integer number (192057084).

Almost surely, 2^512152222 is an apocalyptic number.

512152222 is a deficient number, since it is larger than the sum of its proper divisors (256076114).

512152222 is a wasteful number, since it uses less digits than its factorization.

512152222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256076113.

The product of its digits is 800, while the sum is 22.

The square root of 512152222 is about 22630.7804107591. The cubic root of 512152222 is about 800.0792744359.

The spelling of 512152222 in words is "five hundred twelve million, one hundred fifty-two thousand, two hundred twenty-two".