1322222131 has 4 divisors (see below), whose sum is σ = 1338959200. Its totient is φ = 1305485064.

The previous prime is 1322222101. The next prime is 1322222147. The reversal of 1322222131 is 1312222231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1322222131 - 2⁹ = 1322221619 is a prime.

It is a super-2 number, since 2×1322222131² = 3496542727412362322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322222099 and 1322222108.

It is not an unprimeable number, because it can be changed into a prime (1322222101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8368416 + ... + 8368573.

It is an arithmetic number, because the mean of its divisors is an integer number (334739800).

Almost surely, 2^1322222131 is an apocalyptic number.

1322222131 is a deficient number, since it is larger than the sum of its proper divisors (16737069).

1322222131 is an equidigital number, since it uses as much as digits as its factorization.

1322222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16737068.

The product of its digits is 288, while the sum is 19.

The square root of 1322222131 is about 36362.3724611032. The cubic root of 1322222131 is about 1097.5765188631.

Adding to 1322222131 its reverse (1312222231), we get a palindrome (2634444362).

It can be divided in two parts, 13222 and 22131, that added together give a palindrome (35353).

The spelling of 1322222131 in words is "one billion, three hundred twenty-two million, two hundred twenty-two thousand, one hundred thirty-one".