22967779 has 4 divisors (see below), whose sum is σ = 23028760. Its totient is φ = 22906800.

The previous prime is 22967773. The next prime is 22967783. The reversal of 22967779 is 97776922.

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 22967779 - 2⁹ = 22967267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22967773) 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, 29922 + ... + 30679.

It is an arithmetic number, because the mean of its divisors is an integer number (5757190).

Almost surely, 2^22967779 is an apocalyptic number.

22967779 is a deficient number, since it is larger than the sum of its proper divisors (60981).

22967779 is an equidigital number, since it uses as much as digits as its factorization.

22967779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60980.

The product of its digits is 666792, while the sum is 49.

The square root of 22967779 is about 4792.4710745084. The cubic root of 22967779 is about 284.2538355781.

The spelling of 22967779 in words is "twenty-two million, nine hundred sixty-seven thousand, seven hundred seventy-nine".