525712222 has 16 divisors (see below), whose sum is σ = 904434912. Its totient is φ = 224501760.

The previous prime is 525712193. The next prime is 525712237. The reversal of 525712222 is 222217525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62883 + ... + 70750.

It is an arithmetic number, because the mean of its divisors is an integer number (56527182).

Almost surely, 2^525712222 is an apocalyptic number.

525712222 is a deficient number, since it is larger than the sum of its proper divisors (378722690).

525712222 is a wasteful number, since it uses less digits than its factorization.

525712222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133923.

The product of its digits is 5600, while the sum is 28.

The square root of 525712222 is about 22928.4151654666. The cubic root of 525712222 is about 807.0789579747.

Adding to 525712222 its reverse (222217525), we get a palindrome (747929747).

The spelling of 525712222 in words is "five hundred twenty-five million, seven hundred twelve thousand, two hundred twenty-two".