22229299 has 2 divisors, whose sum is σ = 22229300. Its totient is φ = 22229298.

The previous prime is 22229287. The next prime is 22229329. The reversal of 22229299 is 99292222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22229299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22229269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11114649 + 11114650.

It is an arithmetic number, because the mean of its divisors is an integer number (11114650).

Almost surely, 2^22229299 is an apocalyptic number.

22229299 is a deficient number, since it is larger than the sum of its proper divisors (1).

22229299 is an equidigital number, since it uses as much as digits as its factorization.

22229299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 22229299 is about 4714.7957537946. The cubic root of 22229299 is about 281.1740625275.

The spelling of 22229299 in words is "twenty-two million, two hundred twenty-nine thousand, two hundred ninety-nine".