1322013421 has 8 divisors (see below), whose sum is σ = 1336762944. Its totient is φ = 1307338080.

The previous prime is 1322013409. The next prime is 1322013431. The reversal of 1322013421 is 1243102231.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322013421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322013431) 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, 17686 + ... + 54376.

It is an arithmetic number, because the mean of its divisors is an integer number (167095368).

Almost surely, 2^1322013421 is an apocalyptic number.

It is an amenable number.

1322013421 is a deficient number, since it is larger than the sum of its proper divisors (14749523).

1322013421 is a wasteful number, since it uses less digits than its factorization.

1322013421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37091.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1322013421 is about 36359.5024855952. The cubic root of 1322013421 is about 1097.5187657710.

Adding to 1322013421 its reverse (1243102231), we get a palindrome (2565115652).

The spelling of 1322013421 in words is "one billion, three hundred twenty-two million, thirteen thousand, four hundred twenty-one".