44270921 has 2 divisors, whose sum is σ = 44270922. Its totient is φ = 44270920.

The previous prime is 44270911. The next prime is 44270927. The reversal of 44270921 is 12907244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33512521 + 10758400 = 5789^2 + 3280^2 .

It is a cyclic number.

It is not a de Polignac number, because 44270921 - 2¹⁴ = 44254537 is a prime.

It is not a weakly prime, because it can be changed into another prime (44270927) 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 as a sum of consecutive naturals, namely, 22135460 + 22135461.

It is an arithmetic number, because the mean of its divisors is an integer number (22135461).

Almost surely, 2^44270921 is an apocalyptic number.

It is an amenable number.

44270921 is a deficient number, since it is larger than the sum of its proper divisors (1).

44270921 is an equidigital number, since it uses as much as digits as its factorization.

44270921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 44270921 is about 6653.6396806560. The cubic root of 44270921 is about 353.7579313733.

The spelling of 44270921 in words is "forty-four million, two hundred seventy thousand, nine hundred twenty-one".