1322466421 has 4 divisors (see below), whose sum is σ = 1330889932. Its totient is φ = 1314042912.

The previous prime is 1322466413. The next prime is 1322466491. The reversal of 1322466421 is 1246642231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 206238321 + 1116228100 = 14361^2 + 33410^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322466421 - 2³ = 1322466413 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 (1322466491) 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, 4211520 + ... + 4211833.

It is an arithmetic number, because the mean of its divisors is an integer number (332722483).

Almost surely, 2^1322466421 is an apocalyptic number.

It is an amenable number.

1322466421 is a deficient number, since it is larger than the sum of its proper divisors (8423511).

1322466421 is an equidigital number, since it uses as much as digits as its factorization.

1322466421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8423510.

The product of its digits is 13824, while the sum is 31.

The square root of 1322466421 is about 36365.7314102164. The cubic root of 1322466421 is about 1097.6441097392.

The spelling of 1322466421 in words is "one billion, three hundred twenty-two million, four hundred sixty-six thousand, four hundred twenty-one".