44212997 has 2 divisors, whose sum is σ = 44212998. Its totient is φ = 44212996.

The previous prime is 44212991. The next prime is 44213009. The reversal of 44212997 is 79921244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44169316 + 43681 = 6646^2 + 209^2 .

It is a cyclic number.

It is not a de Polignac number, because 44212997 - 2⁶ = 44212933 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44212997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44212991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22106498 + 22106499.

It is an arithmetic number, because the mean of its divisors is an integer number (22106499).

Almost surely, 2^44212997 is an apocalyptic number.

It is an amenable number.

44212997 is a deficient number, since it is larger than the sum of its proper divisors (1).

44212997 is an equidigital number, since it uses as much as digits as its factorization.

44212997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 44212997 is about 6649.2854503322. The cubic root of 44212997 is about 353.6035786042.

The spelling of 44212997 in words is "forty-four million, two hundred twelve thousand, nine hundred ninety-seven".