225552451 has 8 divisors (see below), whose sum is σ = 228199664. Its totient is φ = 222912000.

The previous prime is 225552443. The next prime is 225552461. The reversal of 225552451 is 154255522.

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 225552451 - 2³ = 225552443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225552461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99076 + ... + 101326.

It is an arithmetic number, because the mean of its divisors is an integer number (28524958).

Almost surely, 2^225552451 is an apocalyptic number.

225552451 is a deficient number, since it is larger than the sum of its proper divisors (2647213).

225552451 is a wasteful number, since it uses less digits than its factorization.

225552451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381.

The product of its digits is 20000, while the sum is 31.

The square root of 225552451 is about 15018.4037434076. The cubic root of 225552451 is about 608.7175880380.

The spelling of 225552451 in words is "two hundred twenty-five million, five hundred fifty-two thousand, four hundred fifty-one".