4404220477 has 2 divisors, whose sum is σ = 4404220478. Its totient is φ = 4404220476.

The previous prime is 4404220339. The next prime is 4404220489. The reversal of 4404220477 is 7740224044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2563295641 + 1840924836 = 50629^2 + 42906^2 .

It is a cyclic number.

It is not a de Polignac number, because 4404220477 - 2²⁷ = 4270002749 is a prime.

It is a super-2 number, since 2×4404220477² = 38794316020052215058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4404229477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202110238 + 2202110239.

It is an arithmetic number, because the mean of its divisors is an integer number (2202110239).

Almost surely, 2^4404220477 is an apocalyptic number.

It is an amenable number.

4404220477 is a deficient number, since it is larger than the sum of its proper divisors (1).

4404220477 is an equidigital number, since it uses as much as digits as its factorization.

4404220477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50176, while the sum is 34.

The square root of 4404220477 is about 66364.3012243782. The cubic root of 4404220477 is about 1639.1663020427.

The spelling of 4404220477 in words is "four billion, four hundred four million, two hundred twenty thousand, four hundred seventy-seven".