44466421 has 2 divisors, whose sum is σ = 44466422. Its totient is φ = 44466420.

The previous prime is 44466379. The next prime is 44466437. The reversal of 44466421 is 12466444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36120100 + 8346321 = 6010^2 + 2889^2 .

It is a cyclic number.

It is not a de Polignac number, because 44466421 - 2⁷ = 44466293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44466221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22233210 + 22233211.

It is an arithmetic number, because the mean of its divisors is an integer number (22233211).

Almost surely, 2^44466421 is an apocalyptic number.

It is an amenable number.

44466421 is a deficient number, since it is larger than the sum of its proper divisors (1).

44466421 is an equidigital number, since it uses as much as digits as its factorization.

44466421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 31.

The square root of 44466421 is about 6668.3147046311. The cubic root of 44466421 is about 354.2778973781.

The spelling of 44466421 in words is "forty-four million, four hundred sixty-six thousand, four hundred twenty-one".