22029894379 has 4 divisors (see below), whose sum is σ = 22498615584. Its totient is φ = 21561173176.

The previous prime is 22029894347. The next prime is 22029894401. The reversal of 22029894379 is 97349892022.

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 22029894379 - 2⁵ = 22029894347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22029894079) 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, 234360532 + ... + 234360625.

It is an arithmetic number, because the mean of its divisors is an integer number (5624653896).

Almost surely, 2^22029894379 is an apocalyptic number.

22029894379 is a deficient number, since it is larger than the sum of its proper divisors (468721205).

22029894379 is an equidigital number, since it uses as much as digits as its factorization.

22029894379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468721204.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 22029894379 in words is "twenty-two billion, twenty-nine million, eight hundred ninety-four thousand, three hundred seventy-nine".