229429764 has 18 divisors (see below), whose sum is σ = 579947550. Its totient is φ = 76476576.

The previous prime is 229429763. The next prime is 229429787. The reversal of 229429764 is 467924922.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 201867264 + 27562500 = 14208^2 + 5250^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (229429763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3186489 + ... + 3186560.

Almost surely, 2^229429764 is an apocalyptic number.

It is an amenable number.

229429764 is an abundant number, since it is smaller than the sum of its proper divisors (350517786).

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

229429764 is a wasteful number, since it uses less digits than its factorization.

229429764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6373059 (or 6373054 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 229429764 is about 15146.9390967284. The cubic root of 229429764 is about 612.1858015888.

The spelling of 229429764 in words is "two hundred twenty-nine million, four hundred twenty-nine thousand, seven hundred sixty-four".