229820392 has 8 divisors (see below), whose sum is σ = 430913250. Its totient is φ = 114910192.

The previous prime is 229820387. The next prime is 229820407. The reversal of 229820392 is 293028922.

It can be written as a sum of positive squares in only one way, i.e., 182952676 + 46867716 = 13526^2 + 6846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14363767 + ... + 14363782.

Almost surely, 2^229820392 is an apocalyptic number.

It is an amenable number.

229820392 is a deficient number, since it is larger than the sum of its proper divisors (201092858).

229820392 is a wasteful number, since it uses less digits than its factorization.

229820392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28727555 (or 28727551 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 229820392 is about 15159.8282312169. The cubic root of 229820392 is about 612.5330412274.

The spelling of 229820392 in words is "two hundred twenty-nine million, eight hundred twenty thousand, three hundred ninety-two".