1322232011 has 4 divisors (see below), whose sum is σ = 1324233024. Its totient is φ = 1320231000.

The previous prime is 1322232007. The next prime is 1322232013. The reversal of 1322232011 is 1102322231.

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 1322232011 - 2² = 1322232007 is a prime.

It is a Duffinian number.

1322232011 is a modest number, since divided by 232011 gives 1322 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1322232013) 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, 999515 + ... + 1000836.

It is an arithmetic number, because the mean of its divisors is an integer number (331058256).

Almost surely, 2^1322232011 is an apocalyptic number.

1322232011 is a deficient number, since it is larger than the sum of its proper divisors (2001013).

1322232011 is an equidigital number, since it uses as much as digits as its factorization.

1322232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001012.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1322232011 is about 36362.5083155714. The cubic root of 1322232011 is about 1097.5792526521.

Adding to 1322232011 its reverse (1102322231), we get a palindrome (2424554242).

The spelling of 1322232011 in words is "one billion, three hundred twenty-two million, two hundred thirty-two thousand, eleven".