44442172 has 12 divisors (see below), whose sum is σ = 78935080. Its totient is φ = 21889296.

The previous prime is 44442137. The next prime is 44442173. The reversal of 44442172 is 27124444.

It is a super-3 number, since 3×44442172³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44442172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44442173) 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 3 ways as a sum of consecutive naturals, for example, 82647 + ... + 83182.

Almost surely, 2^44442172 is an apocalyptic number.

It is an amenable number.

44442172 is a deficient number, since it is larger than the sum of its proper divisors (34492908).

44442172 is a wasteful number, since it uses less digits than its factorization.

44442172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165900 (or 165898 counting only the distinct ones).

The product of its digits is 7168, while the sum is 28.

The square root of 44442172 is about 6666.4962311547. The cubic root of 44442172 is about 354.2134858766.

The spelling of 44442172 in words is "forty-four million, four hundred forty-two thousand, one hundred seventy-two".