1322662231 has 4 divisors (see below), whose sum is σ = 1442904264. Its totient is φ = 1202420200.

The previous prime is 1322662217. The next prime is 1322662249.

1322662231 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 1322662231 - 2²⁷ = 1188444503 is a prime.

It is a super-2 number, since 2×1322662231² = 3498870754627794722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1322662231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322662291) 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, 60121000 + ... + 60121021.

It is an arithmetic number, because the mean of its divisors is an integer number (360726066).

Almost surely, 2^1322662231 is an apocalyptic number.

1322662231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1322662231 is a deficient number, since it is larger than the sum of its proper divisors (120242033).

1322662231 is a wasteful number, since it uses less digits than its factorization.

1322662231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120242032.

The product of its digits is 5184, while the sum is 28.

The square root of 1322662231 is about 36368.4235429583. The cubic root of 1322662231 is about 1097.6982810166.

It can be divided in two parts, 13226 and 62231, that added together give a palindrome (75457).

The spelling of 1322662231 in words is "one billion, three hundred twenty-two million, six hundred sixty-two thousand, two hundred thirty-one".