228191254 has 16 divisors (see below), whose sum is σ = 360676800. Its totient is φ = 107978184.

The previous prime is 228191237. The next prime is 228191267. The reversal of 228191254 is 452191822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42577 + ... + 47635.

It is an arithmetic number, because the mean of its divisors is an integer number (22542300).

Almost surely, 2^228191254 is an apocalyptic number.

228191254 is a deficient number, since it is larger than the sum of its proper divisors (132485546).

228191254 is a wasteful number, since it uses less digits than its factorization.

228191254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267.

The product of its digits is 11520, while the sum is 34.

The square root of 228191254 is about 15106.0005957897. Note that the first 3 decimals coincide. The cubic root of 228191254 is about 611.0822443249.

The spelling of 228191254 in words is "two hundred twenty-eight million, one hundred ninety-one thousand, two hundred fifty-four".