225499955 has 8 divisors (see below), whose sum is σ = 276893232. Its totient is φ = 176204448.

The previous prime is 225499931. The next prime is 225499979. The reversal of 225499955 is 559994522.

It is an interprime number because it is at equal distance from previous prime (225499931) and next prime (225499979).

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 225499955 - 2²⁴ = 208722739 is a prime.

It is a Duffinian number.

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, 524204 + ... + 524633.

It is an arithmetic number, because the mean of its divisors is an integer number (34611654).

Almost surely, 2^225499955 is an apocalyptic number.

225499955 is a deficient number, since it is larger than the sum of its proper divisors (51393277).

225499955 is a wasteful number, since it uses less digits than its factorization.

225499955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048885.

The product of its digits is 1458000, while the sum is 50.

The square root of 225499955 is about 15016.6559193450. The cubic root of 225499955 is about 608.6703592333.

The spelling of 225499955 in words is "two hundred twenty-five million, four hundred ninety-nine thousand, nine hundred fifty-five".