44242257 has 8 divisors (see below), whose sum is σ = 59070240. Its totient is φ = 29454560.

The previous prime is 44242249. The next prime is 44242259. The reversal of 44242257 is 75224244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44242257 - 2³ = 44242249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44242259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7407 + ... + 11972.

It is an arithmetic number, because the mean of its divisors is an integer number (7383780).

Almost surely, 2^44242257 is an apocalyptic number.

It is an amenable number.

44242257 is a deficient number, since it is larger than the sum of its proper divisors (14827983).

44242257 is a wasteful number, since it uses less digits than its factorization.

44242257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20143.

The product of its digits is 17920, while the sum is 30.

The square root of 44242257 is about 6651.4853228433. The cubic root of 44242257 is about 353.6815659219.

The spelling of 44242257 in words is "forty-four million, two hundred forty-two thousand, two hundred fifty-seven".