1322243013 has 16 divisors (see below), whose sum is σ = 2169835136. Its totient is φ = 697446720.

The previous prime is 1322242937. The next prime is 1322243029. The reversal of 1322243013 is 3103422231.

It is not a de Polignac number, because 1322243013 - 2¹⁰ = 1322241989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322243413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2421418 + ... + 2421963.

It is an arithmetic number, because the mean of its divisors is an integer number (135614696).

Almost surely, 2^1322243013 is an apocalyptic number.

1322243013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1322243013 is a deficient number, since it is larger than the sum of its proper divisors (847592123).

1322243013 is a wasteful number, since it uses less digits than its factorization.

1322243013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843404.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1322243013 is about 36362.6595974497. The cubic root of 1322243013 is about 1097.5822968817.

Adding to 1322243013 its reverse (3103422231), we get a palindrome (4425665244).

The spelling of 1322243013 in words is "one billion, three hundred twenty-two million, two hundred forty-three thousand, thirteen".