228646822 has 16 divisors (see below), whose sum is σ = 351755712. Its totient is φ = 111415680.

The previous prime is 228646763. The next prime is 228646837.

228646822 is nontrivially palindromic in base 10.

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, 17608 + ... + 27700.

It is an arithmetic number, because the mean of its divisors is an integer number (21984732).

Almost surely, 2^228646822 is an apocalyptic number.

228646822 is a deficient number, since it is larger than the sum of its proper divisors (123108890).

228646822 is a wasteful number, since it uses less digits than its factorization.

228646822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10383.

The product of its digits is 147456, while the sum is 40.

The square root of 228646822 is about 15121.0721180742. The cubic root of 228646822 is about 611.4886350964.

The spelling of 228646822 in words is "two hundred twenty-eight million, six hundred forty-six thousand, eight hundred twenty-two".