525453222 has 32 divisors (see below), whose sum is σ = 1204416000. Its totient is φ = 149707008.

The previous prime is 525453209. The next prime is 525453263. The reversal of 525453222 is 222354525.

It is a super-2 number, since 2×525453222² = 552202177020362568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 525453222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2347 + ... + 32502.

It is an arithmetic number, because the mean of its divisors is an integer number (37638000).

Almost surely, 2^525453222 is an apocalyptic number.

525453222 is an abundant number, since it is smaller than the sum of its proper divisors (678962778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525453222 is a wasteful number, since it uses less digits than its factorization.

525453222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35220.

The product of its digits is 24000, while the sum is 30.

The square root of 525453222 is about 22922.7664560803. The cubic root of 525453222 is about 806.9463963572.

The spelling of 525453222 in words is "five hundred twenty-five million, four hundred fifty-three thousand, two hundred twenty-two".