44442239 has 16 divisors (see below), whose sum is σ = 47368800. Its totient is φ = 41631744.

The previous prime is 44442227. The next prime is 44442257. The reversal of 44442239 is 93224444.

It is a cyclic number.

It is not a de Polignac number, because 44442239 - 2⁸ = 44441983 is a prime.

It is a super-3 number, since 3×44442239³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44442269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172799 + ... + 173055.

It is an arithmetic number, because the mean of its divisors is an integer number (2960550).

Almost surely, 2^44442239 is an apocalyptic number.

44442239 is a deficient number, since it is larger than the sum of its proper divisors (2926561).

44442239 is a wasteful number, since it uses less digits than its factorization.

44442239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442.

The product of its digits is 27648, while the sum is 32.

The square root of 44442239 is about 6666.5012562813. The cubic root of 44442239 is about 354.2136638779.

The spelling of 44442239 in words is "forty-four million, four hundred forty-two thousand, two hundred thirty-nine".