10044421 has 2 divisors, whose sum is σ = 10044422. Its totient is φ = 10044420.

The previous prime is 10044383. The next prime is 10044431. The reversal of 10044421 is 12444001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8767521 + 1276900 = 2961^2 + 1130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10044421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10044395 and 10044404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10044431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5022210 + 5022211.

It is an arithmetic number, because the mean of its divisors is an integer number (5022211).

Almost surely, 2^10044421 is an apocalyptic number.

It is an amenable number.

10044421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10044421 is an equidigital number, since it uses as much as digits as its factorization.

10044421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 10044421 is about 3169.2934543838. The cubic root of 10044421 is about 215.7620049561.

Adding to 10044421 its reverse (12444001), we get a palindrome (22488422).

It can be divided in two parts, 100 and 44421, that added together give a square (44521 = 211²).

The spelling of 10044421 in words is "ten million, forty-four thousand, four hundred twenty-one".