225244655331 has 4 divisors (see below), whose sum is σ = 300326207112. Its totient is φ = 150163103552.

The previous prime is 225244655323. The next prime is 225244655371. The reversal of 225244655331 is 133556442522.

225244655331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225244655331 - 2³ = 225244655323 is a prime.

It is a super-2 number, since 2×225244655331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225244655371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37540775886 + ... + 37540775891.

It is an arithmetic number, because the mean of its divisors is an integer number (75081551778).

Almost surely, 2^225244655331 is an apocalyptic number.

225244655331 is a deficient number, since it is larger than the sum of its proper divisors (75081551781).

225244655331 is an equidigital number, since it uses as much as digits as its factorization.

225244655331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75081551780.

The product of its digits is 864000, while the sum is 42.

The spelling of 225244655331 in words is "two hundred twenty-five billion, two hundred forty-four million, six hundred fifty-five thousand, three hundred thirty-one".