22430779 has 12 divisors (see below), whose sum is σ = 26220000. Its totient is φ = 19132848.

The previous prime is 22430743. The next prime is 22430789. The reversal of 22430779 is 97703422.

It is not a de Polignac number, because 22430779 - 2⁷ = 22430651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22430719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10222 + ... + 12220.

It is an arithmetic number, because the mean of its divisors is an integer number (2185000).

Almost surely, 2^22430779 is an apocalyptic number.

22430779 is a deficient number, since it is larger than the sum of its proper divisors (3789221).

22430779 is a wasteful number, since it uses less digits than its factorization.

22430779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2235 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 22430779 is about 4736.1143356131. The cubic root of 22430779 is about 282.0210025771.

The spelling of 22430779 in words is "twenty-two million, four hundred thirty thousand, seven hundred seventy-nine".