225560557 has 8 divisors (see below), whose sum is σ = 238516992. Its totient is φ = 212959200.

The previous prime is 225560537. The next prime is 225560591. The reversal of 225560557 is 755065522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225560557 - 2¹⁹ = 225036269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225560507) 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, 87463 + ... + 90004.

It is an arithmetic number, because the mean of its divisors is an integer number (29814624).

Almost surely, 2^225560557 is an apocalyptic number.

It is an amenable number.

225560557 is a deficient number, since it is larger than the sum of its proper divisors (12956435).

225560557 is a wasteful number, since it uses less digits than its factorization.

225560557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177539.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 225560557 is about 15018.6736098765. The cubic root of 225560557 is about 608.7248800679.

The spelling of 225560557 in words is "two hundred twenty-five million, five hundred sixty thousand, five hundred fifty-seven".