22979357 has 2 divisors, whose sum is σ = 22979358. Its totient is φ = 22979356.

The previous prime is 22979351. The next prime is 22979387. The reversal of 22979357 is 75397922.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21771556 + 1207801 = 4666^2 + 1099^2 .

It is a cyclic number.

It is not a de Polignac number, because 22979357 - 2⁶ = 22979293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22979351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11489678 + 11489679.

It is an arithmetic number, because the mean of its divisors is an integer number (11489679).

Almost surely, 2^22979357 is an apocalyptic number.

It is an amenable number.

22979357 is a deficient number, since it is larger than the sum of its proper divisors (1).

22979357 is an equidigital number, since it uses as much as digits as its factorization.

22979357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 44.

The square root of 22979357 is about 4793.6788586638. The cubic root of 22979357 is about 284.3015914372.

The spelling of 22979357 in words is "twenty-two million, nine hundred seventy-nine thousand, three hundred fifty-seven".