44242247 has 6 divisors (see below), whose sum is σ = 51465528. Its totient is φ = 37921884.

The previous prime is 44242243. The next prime is 44242249. The reversal of 44242247 is 74224244.

It is not a de Polignac number, because 44242247 - 2² = 44242243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44242243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 451403 + ... + 451500.

It is an arithmetic number, because the mean of its divisors is an integer number (8577588).

Almost surely, 2^44242247 is an apocalyptic number.

44242247 is a deficient number, since it is larger than the sum of its proper divisors (7223281).

44242247 is an equidigital number, since it uses as much as digits as its factorization.

44242247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902917 (or 902910 counting only the distinct ones).

The product of its digits is 14336, while the sum is 29.

The square root of 44242247 is about 6651.4845711315. The cubic root of 44242247 is about 353.6815392746.

The spelling of 44242247 in words is "forty-four million, two hundred forty-two thousand, two hundred forty-seven".