44442731 has 2 divisors, whose sum is σ = 44442732. Its totient is φ = 44442730.

The previous prime is 44442649. The next prime is 44442737. The reversal of 44442731 is 13724444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44442731 - 2¹⁰ = 44441707 is a prime.

It is a super-2 number, since 2×44442731² = 3950312677476722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 44442694 and 44442703.

It is not a weakly prime, because it can be changed into another prime (44442737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22221365 + 22221366.

It is an arithmetic number, because the mean of its divisors is an integer number (22221366).

Almost surely, 2^44442731 is an apocalyptic number.

44442731 is a deficient number, since it is larger than the sum of its proper divisors (1).

44442731 is an equidigital number, since it uses as much as digits as its factorization.

44442731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 29.

The square root of 44442731 is about 6666.5381570947. The cubic root of 44442731 is about 354.2149709863.

The spelling of 44442731 in words is "forty-four million, four hundred forty-two thousand, seven hundred thirty-one".