1188822222 has 48 divisors (see below), whose sum is σ = 3003842400. Its totient is φ = 339661728.

The previous prime is 1188822221. The next prime is 1188822227. The reversal of 1188822222 is 2222288811.

1188822222 is a modest number, since divided by 22222 gives 11888 as remainder.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188822221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90103 + ... + 102450.

It is an arithmetic number, because the mean of its divisors is an integer number (62580050).

Almost surely, 2^1188822222 is an apocalyptic number.

1188822222 is an abundant number, since it is smaller than the sum of its proper divisors (1815020178).

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

1188822222 is a wasteful number, since it uses less digits than its factorization.

1188822222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192582 (or 192565 counting only the distinct ones).

The product of its digits is 16384, while the sum is 36.

The square root of 1188822222 is about 34479.3013560310. The cubic root of 1188822222 is about 1059.3487817982.

It can be divided in two parts, 118882 and 2222, that added together give a square (121104 = 348²).

The spelling of 1188822222 in words is "one billion, one hundred eighty-eight million, eight hundred twenty-two thousand, two hundred twenty-two".