244626427 has 2 divisors, whose sum is σ = 244626428. Its totient is φ = 244626426.

The previous prime is 244626407. The next prime is 244626457. The reversal of 244626427 is 724626442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244626427 - 2²³ = 236237819 is a prime.

It is not a weakly prime, because it can be changed into another prime (244626407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122313213 + 122313214.

It is an arithmetic number, because the mean of its divisors is an integer number (122313214).

Almost surely, 2^244626427 is an apocalyptic number.

244626427 is a deficient number, since it is larger than the sum of its proper divisors (1).

244626427 is an equidigital number, since it uses as much as digits as its factorization.

244626427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 37.

The square root of 244626427 is about 15640.5379383191. The cubic root of 244626427 is about 625.4142763795.

The spelling of 244626427 in words is "two hundred forty-four million, six hundred twenty-six thousand, four hundred twenty-seven".