230778242 has 8 divisors (see below), whose sum is σ = 349402896. Its totient is φ = 114310612.

The previous prime is 230778241. The next prime is 230778257. The reversal of 230778242 is 242877032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×230778242² = 106517193961221128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230778241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538988 + ... + 539415.

It is an arithmetic number, because the mean of its divisors is an integer number (43675362).

Almost surely, 2^230778242 is an apocalyptic number.

230778242 is a deficient number, since it is larger than the sum of its proper divisors (118624654).

230778242 is a wasteful number, since it uses less digits than its factorization.

230778242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078512.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 230778242 is about 15191.3870992744. The cubic root of 230778242 is about 613.3828375160.

The spelling of 230778242 in words is "two hundred thirty million, seven hundred seventy-eight thousand, two hundred forty-two".