22870779 has 4 divisors (see below), whose sum is σ = 30494376. Its totient is φ = 15247184.

The previous prime is 22870769. The next prime is 22870781. The reversal of 22870779 is 97707822.

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 22870779 - 2⁵ = 22870747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22870779.

It is not an unprimeable number, because it can be changed into a prime (22870769) 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, 3811794 + ... + 3811799.

It is an arithmetic number, because the mean of its divisors is an integer number (7623594).

Almost surely, 2^22870779 is an apocalyptic number.

22870779 is a deficient number, since it is larger than the sum of its proper divisors (7623597).

22870779 is an equidigital number, since it uses as much as digits as its factorization.

22870779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7623596.

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 22870779 is about 4782.3403266602. The cubic root of 22870779 is about 283.8531071014.

The spelling of 22870779 in words is "twenty-two million, eight hundred seventy thousand, seven hundred seventy-nine".