229157604 has 36 divisors (see below), whose sum is σ = 623819196. Its totient is φ = 70509888.

The previous prime is 229157557. The next prime is 229157627. The reversal of 229157604 is 406751922.

229157604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139287204 + 89870400 = 11802^2 + 9480^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244359 + ... + 245294.

It is an arithmetic number, because the mean of its divisors is an integer number (17328311).

Almost surely, 2^229157604 is an apocalyptic number.

It is an amenable number.

229157604 is an abundant number, since it is smaller than the sum of its proper divisors (394661592).

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

229157604 is a wasteful number, since it uses less digits than its factorization.

229157604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489676 (or 489671 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 229157604 is about 15137.9524374996. The cubic root of 229157604 is about 611.9436382800.

It can be divided in two parts, 2291 and 57604, that added together give a palindrome (59895).

The spelling of 229157604 in words is "two hundred twenty-nine million, one hundred fifty-seven thousand, six hundred four".