22979347 has 2 divisors, whose sum is σ = 22979348. Its totient is φ = 22979346.

The previous prime is 22979321. The next prime is 22979351. The reversal of 22979347 is 74397922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22979347 - 2⁷ = 22979219 is a prime.

It is not a weakly prime, because it can be changed into another prime (22979357) 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, 11489673 + 11489674.

It is an arithmetic number, because the mean of its divisors is an integer number (11489674).

Almost surely, 2^22979347 is an apocalyptic number.

22979347 is a deficient number, since it is larger than the sum of its proper divisors (1).

22979347 is an equidigital number, since it uses as much as digits as its factorization.

22979347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 22979347 is about 4793.6778156234. The cubic root of 22979347 is about 284.3015501970.

The spelling of 22979347 in words is "twenty-two million, nine hundred seventy-nine thousand, three hundred forty-seven".