44172212 has 12 divisors (see below), whose sum is σ = 88344480. Its totient is φ = 18930936.

The previous prime is 44172197. The next prime is 44172253. The reversal of 44172212 is 21227144.

44172212 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788762 + ... + 788817.

It is an arithmetic number, because the mean of its divisors is an integer number (7362040).

Almost surely, 2^44172212 is an apocalyptic number.

It is an amenable number.

44172212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

44172212 is a wasteful number, since it uses less digits than its factorization.

44172212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577590 (or 1577588 counting only the distinct ones).

The product of its digits is 896, while the sum is 23.

The square root of 44172212 is about 6646.2178718426. The cubic root of 44172212 is about 353.4948160251.

Adding to 44172212 its reverse (21227144), we get a palindrome (65399356).

The spelling of 44172212 in words is "forty-four million, one hundred seventy-two thousand, two hundred twelve".