1322231 has 4 divisors (see below), whose sum is σ = 1324992. Its totient is φ = 1319472.

The previous prime is 1322227. The next prime is 1322257.

It is a happy number.

1322231 is nontrivially palindromic in base 10.

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 1322231 - 2² = 1322227 is a prime.

It is a super-2 number, since 2×1322231² = 3496589634722, 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 (1322221) 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, 455 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (331248).

2^1322231 is an apocalyptic number.

1322231 is a deficient number, since it is larger than the sum of its proper divisors (2761).

1322231 is an equidigital number, since it uses as much as digits as its factorization.

1322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760.

The product of its digits is 72, while the sum is 14.

The square root of 1322231 is about 1149.8830375303. The cubic root of 1322231 is about 109.7578972910.

It can be divided in two parts, 132 and 2231, that multiplied together give a palindrome (294492).

The spelling of 1322231 in words is "one million, three hundred twenty-two thousand, two hundred thirty-one".