225771252368 has 40 divisors (see below), whose sum is σ = 464295740760. Its totient is φ = 105985474560.

The previous prime is 225771252359. The next prime is 225771252401. The reversal of 225771252368 is 863252177522.

It can be written as a sum of positive squares in 4 ways, for example, as 45679657984 + 180091594384 = 213728^2 + 424372^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903473 + ... + 1125968.

It is an arithmetic number, because the mean of its divisors is an integer number (11607393519).

Almost surely, 2^225771252368 is an apocalyptic number.

It is an amenable number.

225771252368 is an abundant number, since it is smaller than the sum of its proper divisors (238524488392).

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

225771252368 is a wasteful number, since it uses less digits than its factorization.

225771252368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029875 (or 2029869 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 50.

The spelling of 225771252368 in words is "two hundred twenty-five billion, seven hundred seventy-one million, two hundred fifty-two thousand, three hundred sixty-eight".