44222040 has 48 divisors (see below), whose sum is σ = 143722800. Its totient is φ = 11792448.

The previous prime is 44222029. The next prime is 44222047. The reversal of 44222040 is 4022244.

44222040 is a `hidden beast` number, since 442 + 220 + 4 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44222047) 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 11 ways as a sum of consecutive naturals, for example, 61060 + ... + 61779.

It is an arithmetic number, because the mean of its divisors is an integer number (2994225).

Almost surely, 2^44222040 is an apocalyptic number.

44222040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44222040 is an abundant number, since it is smaller than the sum of its proper divisors (99500760).

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

44222040 is a wasteful number, since it uses less digits than its factorization.

44222040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122856 (or 122849 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 44222040 is about 6649.9654134439. The cubic root of 44222040 is about 353.6276847826.

Adding to 44222040 its reverse (4022244), we get a palindrome (48244284).

The spelling of 44222040 in words is "forty-four million, two hundred twenty-two thousand, forty".