22028079 has 4 divisors (see below), whose sum is σ = 29370776. Its totient is φ = 14685384.

The previous prime is 22028077. The next prime is 22028099. The reversal of 22028079 is 97082022.

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

It is not a de Polignac number, because 22028079 - 2¹ = 22028077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22028077) 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 in 3 ways as a sum of consecutive naturals, for example, 3671344 + ... + 3671349.

It is an arithmetic number, because the mean of its divisors is an integer number (7342694).

Almost surely, 2^22028079 is an apocalyptic number.

22028079 is a deficient number, since it is larger than the sum of its proper divisors (7342697).

22028079 is an equidigital number, since it uses as much as digits as its factorization.

22028079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7342696.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 22028079 is about 4693.4080368108. The cubic root of 22028079 is about 280.3230921764.

The spelling of 22028079 in words is "twenty-two million, twenty-eight thousand, seventy-nine".