1322222122 has 16 divisors (see below), whose sum is σ = 2248313760. Its totient is φ = 578137392.

The previous prime is 1322222101. The next prime is 1322222147. The reversal of 1322222122 is 2212222231.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1322222122.

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, 1337788 + ... + 1338775.

It is an arithmetic number, because the mean of its divisors is an integer number (140519610).

Almost surely, 2^1322222122 is an apocalyptic number.

1322222122 is a deficient number, since it is larger than the sum of its proper divisors (926091638).

1322222122 is a wasteful number, since it uses less digits than its factorization.

1322222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676597.

The product of its digits is 384, while the sum is 19.

The square root of 1322222122 is about 36362.3723373489. The cubic root of 1322222122 is about 1097.5765163728.

Adding to 1322222122 its reverse (2212222231), we get a palindrome (3534444353).

It can be divided in two parts, 13222 and 22122, that added together give a square (35344 = 188²).

The spelling of 1322222122 in words is "one billion, three hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".