229153394 has 4 divisors (see below), whose sum is σ = 343730094. Its totient is φ = 114576696.

The previous prime is 229153391. The next prime is 229153399. The reversal of 229153394 is 493351922.

It is a happy number.

229153394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 220374025 + 8779369 = 14845^2 + 2963^2 .

It is a super-2 number, since 2×229153394² = 105022555963438472, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229153391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57288347 + ... + 57288350.

Almost surely, 2^229153394 is an apocalyptic number.

229153394 is a deficient number, since it is larger than the sum of its proper divisors (114576700).

229153394 is a wasteful number, since it uses less digits than its factorization.

229153394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114576699.

The product of its digits is 58320, while the sum is 38.

The square root of 229153394 is about 15137.8133823878. The cubic root of 229153394 is about 611.9398907886.

The spelling of 229153394 in words is "two hundred twenty-nine million, one hundred fifty-three thousand, three hundred ninety-four".