225722427031 has 2 divisors, whose sum is σ = 225722427032. Its totient is φ = 225722427030.

The previous prime is 225722427019. The next prime is 225722427037. The reversal of 225722427031 is 130724227522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225722427031 - 2⁵ = 225722426999 is a prime.

It is a super-2 number, since 2×225722427031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225722427037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112861213515 + 112861213516.

It is an arithmetic number, because the mean of its divisors is an integer number (112861213516).

Almost surely, 2^225722427031 is an apocalyptic number.

225722427031 is a deficient number, since it is larger than the sum of its proper divisors (1).

225722427031 is an equidigital number, since it uses as much as digits as its factorization.

225722427031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 225722427031 in words is "two hundred twenty-five billion, seven hundred twenty-two million, four hundred twenty-seven thousand, thirty-one".