22413229 has 2 divisors, whose sum is σ = 22413230. Its totient is φ = 22413228.

The previous prime is 22413221. The next prime is 22413233. The reversal of 22413229 is 92231422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18688329 + 3724900 = 4323^2 + 1930^2 .

It is a cyclic number.

It is not a de Polignac number, because 22413229 - 2³ = 22413221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22413221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11206614 + 11206615.

It is an arithmetic number, because the mean of its divisors is an integer number (11206615).

Almost surely, 2^22413229 is an apocalyptic number.

It is an amenable number.

22413229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22413229 is an equidigital number, since it uses as much as digits as its factorization.

22413229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 22413229 is about 4734.2611884010. The cubic root of 22413229 is about 281.9474316445.

The spelling of 22413229 in words is "twenty-two million, four hundred thirteen thousand, two hundred twenty-nine".