244225987 has 2 divisors, whose sum is σ = 244225988. Its totient is φ = 244225986.

The previous prime is 244225973. The next prime is 244225991. The reversal of 244225987 is 789522442.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244225987 - 2²⁷ = 110008259 is a prime.

It is a super-2 number, since 2×244225987² = 119292665452248338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (244225687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122112993 + 122112994.

It is an arithmetic number, because the mean of its divisors is an integer number (122112994).

Almost surely, 2^244225987 is an apocalyptic number.

244225987 is a deficient number, since it is larger than the sum of its proper divisors (1).

244225987 is an equidigital number, since it uses as much as digits as its factorization.

244225987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 244225987 is about 15627.7313452721. The cubic root of 244225987 is about 625.0728337521.

The spelling of 244225987 in words is "two hundred forty-four million, two hundred twenty-five thousand, nine hundred eighty-seven".