225167472451 has 2 divisors, whose sum is σ = 225167472452. Its totient is φ = 225167472450.

The previous prime is 225167472433. The next prime is 225167472499. The reversal of 225167472451 is 154274761522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225167472451 - 2¹⁹ = 225166948163 is a prime.

It is not a weakly prime, because it can be changed into another prime (225167472401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112583736225 + 112583736226.

It is an arithmetic number, because the mean of its divisors is an integer number (112583736226).

Almost surely, 2^225167472451 is an apocalyptic number.

225167472451 is a deficient number, since it is larger than the sum of its proper divisors (1).

225167472451 is an equidigital number, since it uses as much as digits as its factorization.

225167472451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940800, while the sum is 46.

The spelling of 225167472451 in words is "two hundred twenty-five billion, one hundred sixty-seven million, four hundred seventy-two thousand, four hundred fifty-one".