64698229 has 2 divisors, whose sum is σ = 64698230. Its totient is φ = 64698228.

The previous prime is 64698223. The next prime is 64698233. The reversal of 64698229 is 92289646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63202500 + 1495729 = 7950^2 + 1223^2 .

It is a cyclic number.

It is not a de Polignac number, because 64698229 - 2⁵ = 64698197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64698223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32349114 + 32349115.

It is an arithmetic number, because the mean of its divisors is an integer number (32349115).

Almost surely, 2^64698229 is an apocalyptic number.

It is an amenable number.

64698229 is a deficient number, since it is larger than the sum of its proper divisors (1).

64698229 is an equidigital number, since it uses as much as digits as its factorization.

64698229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 64698229 is about 8043.5209330243. The cubic root of 64698229 is about 401.4493856102.

The spelling of 64698229 in words is "sixty-four million, six hundred ninety-eight thousand, two hundred twenty-nine".