2193922 has 8 divisors (see below), whose sum is σ = 3323772. Its totient is φ = 1086000.

The previous prime is 2193889. The next prime is 2193929. The reversal of 2193922 is 2293912.

It can be written as a sum of positive squares in 2 ways, for example, as 2070721 + 123201 = 1439^2 + 351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2193929) 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, 5229 + ... + 5632.

2^2193922 is an apocalyptic number.

2193922 is a deficient number, since it is larger than the sum of its proper divisors (1129850).

2193922 is a wasteful number, since it uses less digits than its factorization.

2193922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10964.

The product of its digits is 1944, while the sum is 28.

The square root of 2193922 is about 1481.1893869455. The cubic root of 2193922 is about 129.9392615671.

The spelling of 2193922 in words is "two million, one hundred ninety-three thousand, nine hundred twenty-two".