225739057 has 8 divisors (see below), whose sum is σ = 237814560. Its totient is φ = 213683040.

The previous prime is 225738991. The next prime is 225739061. The reversal of 225739057 is 750937522.

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 225739057 - 2²³ = 217350449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225739097) 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, 23082 + ... + 31372.

It is an arithmetic number, because the mean of its divisors is an integer number (29726820).

Almost surely, 2^225739057 is an apocalyptic number.

It is an amenable number.

225739057 is a deficient number, since it is larger than the sum of its proper divisors (12075503).

225739057 is a wasteful number, since it uses less digits than its factorization.

225739057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9743.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 225739057 is about 15024.6150366657. The cubic root of 225739057 is about 608.8854115939.

It can be divided in two parts, 2257 and 39057, that added together give a palindrome (41314).

The spelling of 225739057 in words is "two hundred twenty-five million, seven hundred thirty-nine thousand, fifty-seven".