1872322 has 4 divisors (see below), whose sum is σ = 2808486. Its totient is φ = 936160.

The previous prime is 1872319. The next prime is 1872323. The reversal of 1872322 is 2232781.

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

It can be written as a sum of positive squares in only one way, i.e., 1640961 + 231361 = 1281^2 + 481^2 .

It is not an unprimeable number, because it can be changed into a prime (1872323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 468079 + ... + 468082.

2^1872322 is an apocalyptic number.

1872322 is a deficient number, since it is larger than the sum of its proper divisors (936164).

1872322 is an equidigital number, since it uses as much as digits as its factorization.

1872322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936163.

The product of its digits is 1344, while the sum is 25.

The square root of 1872322 is about 1368.3281770102. The cubic root of 1872322 is about 123.2518689364.

The spelling of 1872322 in words is "one million, eight hundred seventy-two thousand, three hundred twenty-two".