44862421 has 2 divisors, whose sum is σ = 44862422. Its totient is φ = 44862420.

The previous prime is 44862409. The next prime is 44862427. The reversal of 44862421 is 12426844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34939921 + 9922500 = 5911^2 + 3150^2 .

It is a cyclic number.

It is not a de Polignac number, because 44862421 - 2²³ = 36473813 is a prime.

It is a super-3 number, since 3×44862421³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44862427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22431210 + 22431211.

It is an arithmetic number, because the mean of its divisors is an integer number (22431211).

Almost surely, 2^44862421 is an apocalyptic number.

It is an amenable number.

44862421 is a deficient number, since it is larger than the sum of its proper divisors (1).

44862421 is an equidigital number, since it uses as much as digits as its factorization.

44862421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 31.

The square root of 44862421 is about 6697.9415494613. The cubic root of 44862421 is about 355.3264760971.

The spelling of 44862421 in words is "forty-four million, eight hundred sixty-two thousand, four hundred twenty-one".