228222822 has 16 divisors (see below), whose sum is σ = 456908400. Its totient is φ = 75997152.

The previous prime is 228222817. The next prime is 228222857.

228222822 is nontrivially palindromic in base 10.

It is a super-4 number, since 4×228222822⁴ (a number of 35 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228222822.

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, 12697 + ... + 24852.

It is an arithmetic number, because the mean of its divisors is an integer number (28556775).

Almost surely, 2^228222822 is an apocalyptic number.

228222822 is an abundant number, since it is smaller than the sum of its proper divisors (228685578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228222822 is a wasteful number, since it uses less digits than its factorization.

228222822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38567.

The product of its digits is 8192, while the sum is 30.

The square root of 228222822 is about 15107.0454424417. The cubic root of 228222822 is about 611.1104220843.

The spelling of 228222822 in words is "two hundred twenty-eight million, two hundred twenty-two thousand, eight hundred twenty-two".