45221093 has 2 divisors, whose sum is σ = 45221094. Its totient is φ = 45221092.

The previous prime is 45221051. The next prime is 45221117. The reversal of 45221093 is 39012254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33373729 + 11847364 = 5777^2 + 3442^2 .

It is a cyclic number.

It is not a de Polignac number, because 45221093 - 2⁸ = 45220837 is a prime.

It is a super-2 number, since 2×45221093² = 4089894504229298, which contains 22 as substring.

It is equal to p_2730716 and since 45221093 and 2730716 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45221023) 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, 22610546 + 22610547.

It is an arithmetic number, because the mean of its divisors is an integer number (22610547).

Almost surely, 2^45221093 is an apocalyptic number.

It is an amenable number.

45221093 is a deficient number, since it is larger than the sum of its proper divisors (1).

45221093 is an equidigital number, since it uses as much as digits as its factorization.

45221093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 45221093 is about 6724.6630398853. The cubic root of 45221093 is about 356.2709006718.

The spelling of 45221093 in words is "forty-five million, two hundred twenty-one thousand, ninety-three".