57102229 has 2 divisors, whose sum is σ = 57102230. Its totient is φ = 57102228.

The previous prime is 57102193. The next prime is 57102233. The reversal of 57102229 is 92220175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53319204 + 3783025 = 7302^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 57102229 - 2²¹ = 55005077 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 57102197 and 57102206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57102259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28551114 + 28551115.

It is an arithmetic number, because the mean of its divisors is an integer number (28551115).

Almost surely, 2^57102229 is an apocalyptic number.

It is an amenable number.

57102229 is a deficient number, since it is larger than the sum of its proper divisors (1).

57102229 is an equidigital number, since it uses as much as digits as its factorization.

57102229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 57102229 is about 7556.6016832965. The cubic root of 57102229 is about 385.0800508193.

The spelling of 57102229 in words is "fifty-seven million, one hundred two thousand, two hundred twenty-nine".