225555051 has 8 divisors (see below), whose sum is σ = 300818944. Its totient is φ = 150330600.

The previous prime is 225554983. The next prime is 225555079. The reversal of 225555051 is 150555522.

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

It is a de Polignac number, because none of the positive numbers 2^k-225555051 is a prime.

It is a super-2 number, since 2×225555051² = 101750162063225202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225555851) 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, 8226 + ... + 22776.

It is an arithmetic number, because the mean of its divisors is an integer number (37602368).

Almost surely, 2^225555051 is an apocalyptic number.

225555051 is a deficient number, since it is larger than the sum of its proper divisors (75263893).

225555051 is a wasteful number, since it uses less digits than its factorization.

225555051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19721.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 225555051 is about 15018.4903036224. The cubic root of 225555051 is about 608.7199269761.

The spelling of 225555051 in words is "two hundred twenty-five million, five hundred fifty-five thousand, fifty-one".