220044239 has 2 divisors, whose sum is σ = 220044240. Its totient is φ = 220044238.

The previous prime is 220044229. The next prime is 220044241. The reversal of 220044239 is 932440022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220044239 is a prime.

Together with 220044241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220044229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110022119 + 110022120.

It is an arithmetic number, because the mean of its divisors is an integer number (110022120).

Almost surely, 2^220044239 is an apocalyptic number.

220044239 is a deficient number, since it is larger than the sum of its proper divisors (1).

220044239 is an equidigital number, since it uses as much as digits as its factorization.

220044239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 220044239 is about 14833.8881956148. Note that the first 3 decimals coincide. The cubic root of 220044239 is about 603.7215349785.

The spelling of 220044239 in words is "two hundred twenty million, forty-four thousand, two hundred thirty-nine".