22323979 has 2 divisors, whose sum is σ = 22323980. Its totient is φ = 22323978.

The previous prime is 22323949. The next prime is 22324021. The reversal of 22323979 is 97932322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22323979 - 2⁵ = 22323947 is a prime.

It is a super-3 number, since 3×22323979³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22323949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11161989 + 11161990.

It is an arithmetic number, because the mean of its divisors is an integer number (11161990).

Almost surely, 2^22323979 is an apocalyptic number.

22323979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22323979 is an equidigital number, since it uses as much as digits as its factorization.

22323979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 22323979 is about 4724.8258168953. The cubic root of 22323979 is about 281.5726933843.

The spelling of 22323979 in words is "twenty-two million, three hundred twenty-three thousand, nine hundred seventy-nine".