225552276 has 30 divisors (see below), whose sum is σ = 589639050. Its totient is φ = 75183984.

The previous prime is 225552269. The next prime is 225552281. The reversal of 225552276 is 672255522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 167029776 + 58522500 = 12924^2 + 7650^2 .

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 225552276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 347751 + ... + 348398.

It is an arithmetic number, because the mean of its divisors is an integer number (19654635).

Almost surely, 2^225552276 is an apocalyptic number.

It is an amenable number.

225552276 is an abundant number, since it is smaller than the sum of its proper divisors (364086774).

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

225552276 is a wasteful number, since it uses less digits than its factorization.

225552276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696165 (or 696154 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 225552276 is about 15018.3979172214. The cubic root of 225552276 is about 608.7174306088.

The spelling of 225552276 in words is "two hundred twenty-five million, five hundred fifty-two thousand, two hundred seventy-six".