239228855 has 8 divisors (see below), whose sum is σ = 287365200. Its totient is φ = 191189376.

The previous prime is 239228851. The next prime is 239228861. The reversal of 239228855 is 558822932.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 239228855 - 2² = 239228851 is a prime.

It is a super-2 number, since 2×239228855² = 114460890129222050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239228851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18665 + ... + 28754.

It is an arithmetic number, because the mean of its divisors is an integer number (35920650).

Almost surely, 2^239228855 is an apocalyptic number.

239228855 is a deficient number, since it is larger than the sum of its proper divisors (48136345).

239228855 is a wasteful number, since it uses less digits than its factorization.

239228855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48433.

The product of its digits is 345600, while the sum is 44.

The square root of 239228855 is about 15467.0247623775. The cubic root of 239228855 is about 620.7801962639.

The spelling of 239228855 in words is "two hundred thirty-nine million, two hundred twenty-eight thousand, eight hundred fifty-five".