44221973 has 2 divisors, whose sum is σ = 44221974. Its totient is φ = 44221972.

The previous prime is 44221967. The next prime is 44221997. The reversal of 44221973 is 37912244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35916049 + 8305924 = 5993^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 44221973 - 2¹⁴ = 44205589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44221963) 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, 22110986 + 22110987.

It is an arithmetic number, because the mean of its divisors is an integer number (22110987).

Almost surely, 2^44221973 is an apocalyptic number.

It is an amenable number.

44221973 is a deficient number, since it is larger than the sum of its proper divisors (1).

44221973 is an equidigital number, since it uses as much as digits as its factorization.

44221973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 44221973 is about 6649.9603758218. The cubic root of 44221973 is about 353.6275061909.

The spelling of 44221973 in words is "forty-four million, two hundred twenty-one thousand, nine hundred seventy-three".