44225281 has 2 divisors, whose sum is σ = 44225282. Its totient is φ = 44225280.

The previous prime is 44225273. The next prime is 44225287. The reversal of 44225281 is 18252244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41280625 + 2944656 = 6425^2 + 1716^2 .

It is a cyclic number.

It is not a de Polignac number, because 44225281 - 2³ = 44225273 is a prime.

It is a super-2 number, since 2×44225281² = 3911750959057922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44225287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22112640 + 22112641.

It is an arithmetic number, because the mean of its divisors is an integer number (22112641).

Almost surely, 2^44225281 is an apocalyptic number.

44225281 is the 3840-th hex number.

It is an amenable number.

44225281 is a deficient number, since it is larger than the sum of its proper divisors (1).

44225281 is an equidigital number, since it uses as much as digits as its factorization.

44225281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5120, while the sum is 28.

The square root of 44225281 is about 6650.2090944571. The cubic root of 44225281 is about 353.6363236071.

The spelling of 44225281 in words is "forty-four million, two hundred twenty-five thousand, two hundred eighty-one".