220644043 has 2 divisors, whose sum is σ = 220644044. Its totient is φ = 220644042.

The previous prime is 220644031. The next prime is 220644049. The reversal of 220644043 is 340446022.

220644043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220644043 - 2²¹ = 218546891 is a prime.

It is a super-2 number, since 2×220644043² = 97367587422771698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220643999 and 220644017.

It is not a weakly prime, because it can be changed into another prime (220644049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110322021 + 110322022.

It is an arithmetic number, because the mean of its divisors is an integer number (110322022).

Almost surely, 2^220644043 is an apocalyptic number.

220644043 is a deficient number, since it is larger than the sum of its proper divisors (1).

220644043 is an equidigital number, since it uses as much as digits as its factorization.

220644043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 220644043 is about 14854.0917931727. The cubic root of 220644043 is about 604.2695854814.

The spelling of 220644043 in words is "two hundred twenty million, six hundred forty-four thousand, forty-three".