225414487 has 2 divisors, whose sum is σ = 225414488. Its totient is φ = 225414486.

The previous prime is 225414481. The next prime is 225414551. The reversal of 225414487 is 784414522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225414487 - 2¹⁹ = 224890199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225414481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112707243 + 112707244.

It is an arithmetic number, because the mean of its divisors is an integer number (112707244).

Almost surely, 2^225414487 is an apocalyptic number.

225414487 is a deficient number, since it is larger than the sum of its proper divisors (1).

225414487 is an equidigital number, since it uses as much as digits as its factorization.

225414487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71680, while the sum is 37.

The square root of 225414487 is about 15013.8098762439. The cubic root of 225414487 is about 608.5934509962.

It can be divided in two parts, 22541 and 4487, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 225414487 in words is "two hundred twenty-five million, four hundred fourteen thousand, four hundred eighty-seven".