228272122 has 32 divisors (see below), whose sum is σ = 379653120. Its totient is φ = 102271680.

The previous prime is 228272119. The next prime is 228272131. The reversal of 228272122 is 221272822.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213004 + ... + 214072.

It is an arithmetic number, because the mean of its divisors is an integer number (11864160).

Almost surely, 2^228272122 is an apocalyptic number.

228272122 is a deficient number, since it is larger than the sum of its proper divisors (151380998).

228272122 is a wasteful number, since it uses less digits than its factorization.

228272122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318.

The product of its digits is 3584, while the sum is 28.

The square root of 228272122 is about 15108.6770433417. The cubic root of 228272122 is about 611.1544223212.

The spelling of 228272122 in words is "two hundred twenty-eight million, two hundred seventy-two thousand, one hundred twenty-two".