225567437 has 2 divisors, whose sum is σ = 225567438. Its totient is φ = 225567436.

The previous prime is 225567427. The next prime is 225567451. The reversal of 225567437 is 734765522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221980201 + 3587236 = 14899^2 + 1894^2 .

It is a cyclic number.

It is not a de Polignac number, because 225567437 - 2¹⁰ = 225566413 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 225567394 and 225567403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225567427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112783718 + 112783719.

It is an arithmetic number, because the mean of its divisors is an integer number (112783719).

Almost surely, 2^225567437 is an apocalyptic number.

It is an amenable number.

225567437 is a deficient number, since it is larger than the sum of its proper divisors (1).

225567437 is an equidigital number, since it uses as much as digits as its factorization.

225567437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 41.

The square root of 225567437 is about 15018.9026563195. The cubic root of 225567437 is about 608.7310690705.

The spelling of 225567437 in words is "two hundred twenty-five million, five hundred sixty-seven thousand, four hundred thirty-seven".