44274421 has 2 divisors, whose sum is σ = 44274422. Its totient is φ = 44274420.

The previous prime is 44274413. The next prime is 44274481. The reversal of 44274421 is 12447244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34751025 + 9523396 = 5895^2 + 3086^2 .

It is a cyclic number.

It is not a de Polignac number, because 44274421 - 2³ = 44274413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44274421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44274481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22137210 + 22137211.

It is an arithmetic number, because the mean of its divisors is an integer number (22137211).

Almost surely, 2^44274421 is an apocalyptic number.

It is an amenable number.

44274421 is a deficient number, since it is larger than the sum of its proper divisors (1).

44274421 is an equidigital number, since it uses as much as digits as its factorization.

44274421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 28.

The square root of 44274421 is about 6653.9026893997. The cubic root of 44274421 is about 353.7672536712.

The spelling of 44274421 in words is "forty-four million, two hundred seventy-four thousand, four hundred twenty-one".