22079929 has 2 divisors, whose sum is σ = 22079930. Its totient is φ = 22079928.

The previous prime is 22079891. The next prime is 22080053. The reversal of 22079929 is 92997022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19784704 + 2295225 = 4448^2 + 1515^2 .

It is a cyclic number.

It is not a de Polignac number, because 22079929 - 2¹⁵ = 22047161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22079891 and 22079900.

It is not a weakly prime, because it can be changed into another prime (22070929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11039964 + 11039965.

It is an arithmetic number, because the mean of its divisors is an integer number (11039965).

Almost surely, 2^22079929 is an apocalyptic number.

It is an amenable number.

22079929 is a deficient number, since it is larger than the sum of its proper divisors (1).

22079929 is an equidigital number, since it uses as much as digits as its factorization.

22079929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 22079929 is about 4698.9284948805. The cubic root of 22079929 is about 280.5428626367.

The spelling of 22079929 in words is "twenty-two million, seventy-nine thousand, nine hundred twenty-nine".