220022139 has 4 divisors (see below), whose sum is σ = 293362856. Its totient is φ = 146681424.

The previous prime is 220022119. The next prime is 220022141. The reversal of 220022139 is 931220022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 220022139 - 2⁵ = 220022107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220022119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36670354 + ... + 36670359.

It is an arithmetic number, because the mean of its divisors is an integer number (73340714).

Almost surely, 2^220022139 is an apocalyptic number.

220022139 is a deficient number, since it is larger than the sum of its proper divisors (73340717).

220022139 is an equidigital number, since it uses as much as digits as its factorization.

220022139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73340716.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 220022139 is about 14833.1432609545. The cubic root of 220022139 is about 603.7013228419.

The spelling of 220022139 in words is "two hundred twenty million, twenty-two thousand, one hundred thirty-nine".