1022022139 has 4 divisors (see below), whose sum is σ = 1022313024. Its totient is φ = 1021731256.

The previous prime is 1022022107. The next prime is 1022022143. The reversal of 1022022139 is 9312202201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9312202201 = 2791 ⋅3336511.

It is a cyclic number.

It is not a de Polignac number, because 1022022139 - 2⁵ = 1022022107 is a prime.

It is a super-2 number, since 2×1022022139² = 2089058505212270642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022022149) 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, 140107 + ... + 147220.

It is an arithmetic number, because the mean of its divisors is an integer number (255578256).

Almost surely, 2^1022022139 is an apocalyptic number.

1022022139 is a deficient number, since it is larger than the sum of its proper divisors (290885).

1022022139 is an equidigital number, since it uses as much as digits as its factorization.

1022022139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290884.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1022022139 is about 31969.0809846014. The cubic root of 1022022139 is about 1007.2874766776.

The spelling of 1022022139 in words is "one billion, twenty-two million, twenty-two thousand, one hundred thirty-nine".