1322222231 has 8 divisors (see below), whose sum is σ = 1445776128. Its totient is φ = 1199227000.

The previous prime is 1322222197. The next prime is 1322222233.

It is a happy number.

1322222231 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1322222231 - 2²⁶ = 1255113367 is a prime.

It is a super-2 number, since 2×1322222231² = 3496543256301234722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322222233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134705 + ... + 144186.

It is an arithmetic number, because the mean of its divisors is an integer number (180722016).

Almost surely, 2^1322222231 is an apocalyptic number.

1322222231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1322222231 is a deficient number, since it is larger than the sum of its proper divisors (123553897).

1322222231 is a wasteful number, since it uses less digits than its factorization.

1322222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279333.

The product of its digits is 576, while the sum is 20.

The square root of 1322222231 is about 36362.3738361510. The cubic root of 1322222231 is about 1097.5765465331.

It can be divided in two parts, 13222 and 22231, that added together give a palindrome (35453).

The spelling of 1322222231 in words is "one billion, three hundred twenty-two million, two hundred twenty-two thousand, two hundred thirty-one".