244036381 has 2 divisors, whose sum is σ = 244036382. Its totient is φ = 244036380.

The previous prime is 244036379. The next prime is 244036393. The reversal of 244036381 is 183630442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141824281 + 102212100 = 11909^2 + 10110^2 .

It is a cyclic number.

It is not a de Polignac number, because 244036381 - 2¹ = 244036379 is a prime.

It is a super-2 number, since 2×244036381² = 119107510503154322, which contains 22 as substring.

Together with 244036379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244036321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122018190 + 122018191.

It is an arithmetic number, because the mean of its divisors is an integer number (122018191).

Almost surely, 2^244036381 is an apocalyptic number.

It is an amenable number.

244036381 is a deficient number, since it is larger than the sum of its proper divisors (1).

244036381 is an equidigital number, since it uses as much as digits as its factorization.

244036381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 244036381 is about 15621.6638358403. The cubic root of 244036381 is about 624.9110324562.

The spelling of 244036381 in words is "two hundred forty-four million, thirty-six thousand, three hundred eighty-one".