525425222 has 32 divisors (see below), whose sum is σ = 955229760. Its totient is φ = 211599360.

The previous prime is 525425203. The next prime is 525425309. The reversal of 525425222 is 222524525.

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, 194054 + ... + 196742.

It is an arithmetic number, because the mean of its divisors is an integer number (29850930).

Almost surely, 2^525425222 is an apocalyptic number.

525425222 is a deficient number, since it is larger than the sum of its proper divisors (429804538).

525425222 is a wasteful number, since it uses less digits than its factorization.

525425222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536.

The product of its digits is 16000, while the sum is 29.

The square root of 525425222 is about 22922.1557014169. The cubic root of 525425222 is about 806.9320627626.

Adding to 525425222 its reverse (222524525), we get a palindrome (747949747).

The spelling of 525425222 in words is "five hundred twenty-five million, four hundred twenty-five thousand, two hundred twenty-two".