44031222 has 64 divisors (see below), whose sum is σ = 104601600. Its totient is φ = 13698720.

The previous prime is 44031199. The next prime is 44031233. The reversal of 44031222 is 22213044.

44031222 is a `hidden beast` number, since 440 + 3 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 44031195 and 44031204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48093 + ... + 48999.

It is an arithmetic number, because the mean of its divisors is an integer number (1634400).

Almost surely, 2^44031222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44031222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52300800).

44031222 is an abundant number, since it is smaller than the sum of its proper divisors (60570378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44031222 is a wasteful number, since it uses less digits than its factorization.

44031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 44031222 is about 6635.6026101628. The cubic root of 44031222 is about 353.1183172255.

Adding to 44031222 its reverse (22213044), we get a palindrome (66244266).

It can be divided in two parts, 44031 and 222, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 44031222 in words is "forty-four million, thirty-one thousand, two hundred twenty-two".