22747379 has 2 divisors, whose sum is σ = 22747380. Its totient is φ = 22747378.

The previous prime is 22747367. The next prime is 22747409. The reversal of 22747379 is 97374722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22747379 - 2¹⁶ = 22681843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22747349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11373689 + 11373690.

It is an arithmetic number, because the mean of its divisors is an integer number (11373690).

Almost surely, 2^22747379 is an apocalyptic number.

22747379 is a deficient number, since it is larger than the sum of its proper divisors (1).

22747379 is an equidigital number, since it uses as much as digits as its factorization.

22747379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 41.

The square root of 22747379 is about 4769.4212437150. The cubic root of 22747379 is about 283.3416734185.

The spelling of 22747379 in words is "twenty-two million, seven hundred forty-seven thousand, three hundred seventy-nine".