1321422 has 16 divisors (see below), whose sum is σ = 2667600. Its totient is φ = 436352.

The previous prime is 1321421. The next prime is 1321429. The reversal of 1321422 is 2241231.

It is a super-2 number, since 2×1321422² = 3492312204168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297 + ... + 1652.

It is an arithmetic number, because the mean of its divisors is an integer number (166725).

2^1321422 is an apocalyptic number.

1321422 is an abundant number, since it is smaller than the sum of its proper divisors (1346178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321422 is a wasteful number, since it uses less digits than its factorization.

1321422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067.

The product of its digits is 96, while the sum is 15.

The square root of 1321422 is about 1149.5312087977. The cubic root of 1321422 is about 109.7355077956.

Adding to 1321422 its reverse (2241231), we get a palindrome (3562653).

The spelling of 1321422 in words is "one million, three hundred twenty-one thousand, four hundred twenty-two".