44242447 has 2 divisors, whose sum is σ = 44242448. Its totient is φ = 44242446.

The previous prime is 44242427. The next prime is 44242459. The reversal of 44242447 is 74424244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44242447 - 2¹⁹ = 43718159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44242427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22121223 + 22121224.

It is an arithmetic number, because the mean of its divisors is an integer number (22121224).

Almost surely, 2^44242447 is an apocalyptic number.

44242447 is a deficient number, since it is larger than the sum of its proper divisors (1).

44242447 is an equidigital number, since it uses as much as digits as its factorization.

44242447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28672, while the sum is 31.

The square root of 44242447 is about 6651.4996053522. The cubic root of 44242447 is about 353.6820722207.

The spelling of 44242447 in words is "forty-four million, two hundred forty-two thousand, four hundred forty-seven".