22769447 has 2 divisors, whose sum is σ = 22769448. Its totient is φ = 22769446.

The previous prime is 22769419. The next prime is 22769491. The reversal of 22769447 is 74496722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22769447 - 2⁸ = 22769191 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22769497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11384723 + 11384724.

It is an arithmetic number, because the mean of its divisors is an integer number (11384724).

Almost surely, 2^22769447 is an apocalyptic number.

22769447 is a deficient number, since it is larger than the sum of its proper divisors (1).

22769447 is an equidigital number, since it uses as much as digits as its factorization.

22769447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The square root of 22769447 is about 4771.7341711374. The cubic root of 22769447 is about 283.4332702441.

The spelling of 22769447 in words is "twenty-two million, seven hundred sixty-nine thousand, four hundred forty-seven".