1322442231 has 32 divisors (see below), whose sum is σ = 1964625408. Its totient is φ = 784535040.

The previous prime is 1322442229. The next prime is 1322442263.

It is a happy number.

1322442231 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1322442231 - 2¹ = 1322442229 is a prime.

It is a super-2 number, since 2×1322442231² = 3497706908664514722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322442221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328030 + ... + 332036.

It is an arithmetic number, because the mean of its divisors is an integer number (61394544).

Almost surely, 2^1322442231 is an apocalyptic number.

1322442231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1322442231 is a deficient number, since it is larger than the sum of its proper divisors (642183177).

1322442231 is a wasteful number, since it uses less digits than its factorization.

1322442231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231.

The product of its digits is 2304, while the sum is 24.

The square root of 1322442231 is about 36365.3988153574. The cubic root of 1322442231 is about 1097.6374171501.

It can be divided in two parts, 13224 and 42231, that added together give a palindrome (55455).

The spelling of 1322442231 in words is "one billion, three hundred twenty-two million, four hundred forty-two thousand, two hundred thirty-one".