229922557 has 2 divisors, whose sum is σ = 229922558. Its totient is φ = 229922556.

The previous prime is 229922531. The next prime is 229922593. The reversal of 229922557 is 755229922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167417721 + 62504836 = 12939^2 + 7906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229922557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229922507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114961278 + 114961279.

It is an arithmetic number, because the mean of its divisors is an integer number (114961279).

Almost surely, 2^229922557 is an apocalyptic number.

It is an amenable number.

229922557 is a deficient number, since it is larger than the sum of its proper divisors (1).

229922557 is an equidigital number, since it uses as much as digits as its factorization.

229922557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 43.

The square root of 229922557 is about 15163.1974530440. The cubic root of 229922557 is about 612.6237934982.

The spelling of 229922557 in words is "two hundred twenty-nine million, nine hundred twenty-two thousand, five hundred fifty-seven".