1228223332 has 12 divisors (see below), whose sum is σ = 2456446720. Its totient is φ = 526381416.

The previous prime is 1228223267. The next prime is 1228223363. The reversal of 1228223332 is 2333228221.

1228223332 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 43865119 = 1228223332 / (1 + 2 + 2 + 8 + 2 + 2 + 3 + 3 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 1228223332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21932532 + ... + 21932587.

Almost surely, 2^1228223332 is an apocalyptic number.

It is an amenable number.

1228223332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1228223332 is a wasteful number, since it uses less digits than its factorization.

1228223332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43865130 (or 43865128 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 1228223332 is about 35046.0173486232. The cubic root of 1228223332 is about 1070.9251415876.

It can be divided in two parts, 122822 and 3332, that multiplied together give a palindrome (409242904).

The spelling of 1228223332 in words is "one billion, two hundred twenty-eight million, two hundred twenty-three thousand, three hundred thirty-two".