22296229 has 2 divisors, whose sum is σ = 22296230. Its totient is φ = 22296228.

The previous prime is 22296227. The next prime is 22296259. The reversal of 22296229 is 92269222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21436900 + 859329 = 4630^2 + 927^2 .

It is a cyclic number.

It is not a de Polignac number, because 22296229 - 2¹ = 22296227 is a prime.

Together with 22296227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22296194 and 22296203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22296221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11148114 + 11148115.

It is an arithmetic number, because the mean of its divisors is an integer number (11148115).

Almost surely, 2^22296229 is an apocalyptic number.

It is an amenable number.

22296229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22296229 is an equidigital number, since it uses as much as digits as its factorization.

22296229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 22296229 is about 4721.8882875392. Note that the first 3 decimals coincide. The cubic root of 22296229 is about 281.4559746147.

The spelling of 22296229 in words is "twenty-two million, two hundred ninety-six thousand, two hundred twenty-nine".