1321922 has 32 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 540960.

The previous prime is 1321919. The next prime is 1321927. The reversal of 1321922 is 2291231.

It is a junction number, because it is equal to n+sod(n) for n = 1321894 and 1321903.

It is not an unprimeable number, because it can be changed into a prime (1321927) 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, 28103 + ... + 28149.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2^1321922 is an apocalyptic number.

1321922 is a deficient number, since it is larger than the sum of its proper divisors (1097278).

1321922 is an equidigital number, since it uses as much as digits as its factorization.

1321922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 97 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 1321922 is about 1149.7486681880. The cubic root of 1321922 is about 109.7493466337.

The spelling of 1321922 in words is "one million, three hundred twenty-one thousand, nine hundred twenty-two".