244420507 has 2 divisors, whose sum is σ = 244420508. Its totient is φ = 244420506.

The previous prime is 244420493. The next prime is 244420567. The reversal of 244420507 is 705024442.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244420507 - 2¹¹ = 244418459 is a prime.

It is equal to p_13390372 and since 244420507 and 13390372 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (244420567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122210253 + 122210254.

It is an arithmetic number, because the mean of its divisors is an integer number (122210254).

Almost surely, 2^244420507 is an apocalyptic number.

244420507 is a deficient number, since it is larger than the sum of its proper divisors (1).

244420507 is an equidigital number, since it uses as much as digits as its factorization.

244420507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 244420507 is about 15633.9536586239. The cubic root of 244420507 is about 625.2387414324.

Adding to 244420507 its reverse (705024442), we get a palindrome (949444949).

The spelling of 244420507 in words is "two hundred forty-four million, four hundred twenty thousand, five hundred seven".