22029079 has 4 divisors (see below), whose sum is σ = 22444776. Its totient is φ = 21613384.

The previous prime is 22029047. The next prime is 22029089. The reversal of 22029079 is 97092022.

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

It is a cyclic number.

It is not a de Polignac number, because 22029079 - 2⁵ = 22029047 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22029079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22029019) 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, 207769 + ... + 207874.

It is an arithmetic number, because the mean of its divisors is an integer number (5611194).

Almost surely, 2^22029079 is an apocalyptic number.

22029079 is a deficient number, since it is larger than the sum of its proper divisors (415697).

22029079 is an equidigital number, since it uses as much as digits as its factorization.

22029079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415696.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 22029079 is about 4693.5145679970. The cubic root of 22029079 is about 280.3273340178.

The spelling of 22029079 in words is "twenty-two million, twenty-nine thousand, seventy-nine".