44912219 has 8 divisors (see below), whose sum is σ = 51574080. Its totient is φ = 38680200.

The previous prime is 44912209. The next prime is 44912221. The reversal of 44912219 is 91221944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-44912219 is a prime.

It is a super-2 number, since 2×44912219² = 4034214831007922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44912209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107237 + ... + 107654.

It is an arithmetic number, because the mean of its divisors is an integer number (6446760).

Almost surely, 2^44912219 is an apocalyptic number.

44912219 is a deficient number, since it is larger than the sum of its proper divisors (6661861).

44912219 is a wasteful number, since it uses less digits than its factorization.

44912219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214921.

The product of its digits is 5184, while the sum is 32.

The square root of 44912219 is about 6701.6579291993. The cubic root of 44912219 is about 355.4579001593.

The spelling of 44912219 in words is "forty-four million, nine hundred twelve thousand, two hundred nineteen".