228191162 has 4 divisors (see below), whose sum is σ = 342286746. Its totient is φ = 114095580.

The previous prime is 228191149. The next prime is 228191209. The reversal of 228191162 is 261191822.

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., 212022721 + 16168441 = 14561^2 + 4021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57047789 + ... + 57047792.

Almost surely, 2^228191162 is an apocalyptic number.

228191162 is a deficient number, since it is larger than the sum of its proper divisors (114095584).

228191162 is a wasteful number, since it uses less digits than its factorization.

228191162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114095583.

The product of its digits is 3456, while the sum is 32.

The square root of 228191162 is about 15105.9975506419. The cubic root of 228191162 is about 611.0821622014.

The spelling of 228191162 in words is "two hundred twenty-eight million, one hundred ninety-one thousand, one hundred sixty-two".