225812214931 has 2 divisors, whose sum is σ = 225812214932. Its totient is φ = 225812214930.

The previous prime is 225812214911. The next prime is 225812215001. The reversal of 225812214931 is 139412218522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225812214931 - 2¹¹ = 225812212883 is a prime.

It is a super-2 number, since 2×225812214931² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225812214911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112906107465 + 112906107466.

It is an arithmetic number, because the mean of its divisors is an integer number (112906107466).

Almost surely, 2^225812214931 is an apocalyptic number.

225812214931 is a deficient number, since it is larger than the sum of its proper divisors (1).

225812214931 is an equidigital number, since it uses as much as digits as its factorization.

225812214931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The spelling of 225812214931 in words is "two hundred twenty-five billion, eight hundred twelve million, two hundred fourteen thousand, nine hundred thirty-one".