1322403421 has 16 divisors (see below), whose sum is σ = 1392120576. Its totient is φ = 1254678336.

The previous prime is 1322403413. The next prime is 1322403431. The reversal of 1322403421 is 1243042231.

It is a cyclic number.

It is not a de Polignac number, because 1322403421 - 2³ = 1322403413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322403392 and 1322403401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322403431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532635 + ... + 535111.

It is an arithmetic number, because the mean of its divisors is an integer number (87007536).

Almost surely, 2^1322403421 is an apocalyptic number.

It is an amenable number.

1322403421 is a deficient number, since it is larger than the sum of its proper divisors (69717155).

1322403421 is a wasteful number, since it uses less digits than its factorization.

1322403421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1322403421 is about 36364.8651998052. The cubic root of 1322403421 is about 1097.6266795104.

Adding to 1322403421 its reverse (1243042231), we get a palindrome (2565445652).

The spelling of 1322403421 in words is "one billion, three hundred twenty-two million, four hundred three thousand, four hundred twenty-one".