1122131222 has 16 divisors (see below), whose sum is σ = 1848821760. Its totient is φ = 508425192.

The previous prime is 1122131221. The next prime is 1122131237. The reversal of 1122131222 is 2221312211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122131222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122131221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641078 + ... + 642825.

It is an arithmetic number, because the mean of its divisors is an integer number (115551360).

Almost surely, 2^1122131222 is an apocalyptic number.

1122131222 is a deficient number, since it is larger than the sum of its proper divisors (726690538).

1122131222 is a wasteful number, since it uses less digits than its factorization.

1122131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283947.

The product of its digits is 96, while the sum is 17.

The square root of 1122131222 is about 33498.2271471193. The cubic root of 1122131222 is about 1039.1571147613.

Adding to 1122131222 its reverse (2221312211), we get a palindrome (3343443433).

The spelling of 1122131222 in words is "one billion, one hundred twenty-two million, one hundred thirty-one thousand, two hundred twenty-two".