229664312250 has 64 divisors (see below), whose sum is σ = 573489745920. Its totient is φ = 61217361600.

The previous prime is 229664312243. The next prime is 229664312257. The reversal of 229664312250 is 52213466922.

It is an interprime number because it is at equal distance from previous prime (229664312243) and next prime (229664312257).

It is not an unprimeable number, because it can be changed into a prime (229664312257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1702791 + ... + 1832709.

It is an arithmetic number, because the mean of its divisors is an integer number (8960777280).

Almost surely, 2^229664312250 is an apocalyptic number.

229664312250 is an abundant number, since it is smaller than the sum of its proper divisors (343825433670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229664312250 is a wasteful number, since it uses less digits than its factorization.

229664312250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132296 (or 132286 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 229664312250 in words is "two hundred twenty-nine billion, six hundred sixty-four million, three hundred twelve thousand, two hundred fifty".