525204222 has 16 divisors (see below), whose sum is σ = 1112197392. Its totient is φ = 164769920.

The previous prime is 525204221. The next prime is 525204227. The reversal of 525204222 is 222402525.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 525204192 and 525204201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525204221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2574429 + ... + 2574632.

It is an arithmetic number, because the mean of its divisors is an integer number (69512337).

Almost surely, 2^525204222 is an apocalyptic number.

525204222 is an abundant number, since it is smaller than the sum of its proper divisors (586993170).

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

525204222 is a wasteful number, since it uses less digits than its factorization.

525204222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149083.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 525204222 is about 22917.3345308742. The cubic root of 525204222 is about 806.8189118726.

Adding to 525204222 its reverse (222402525), we get a palindrome (747606747).

The spelling of 525204222 in words is "five hundred twenty-five million, two hundred four thousand, two hundred twenty-two".