225522936 has 24 divisors (see below), whose sum is σ = 610791480. Its totient is φ = 75174288.

The previous prime is 225522931. The next prime is 225522943. The reversal of 225522936 is 639225522.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 225522936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225522931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1566060 + ... + 1566203.

It is an arithmetic number, because the mean of its divisors is an integer number (25449645).

Almost surely, 2^225522936 is an apocalyptic number.

It is an amenable number.

225522936 is an abundant number, since it is smaller than the sum of its proper divisors (385268544).

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

225522936 is a wasteful number, since it uses less digits than its factorization.

225522936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132275 (or 3132268 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 225522936 is about 15017.4210835283. The cubic root of 225522936 is about 608.6910353326.

The spelling of 225522936 in words is "two hundred twenty-five million, five hundred twenty-two thousand, nine hundred thirty-six".