1966222 has 8 divisors (see below), whose sum is σ = 2957472. Its totient is φ = 980400.

The previous prime is 1966219. The next prime is 1966241. The reversal of 1966222 is 2226691.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (369684).

2^1966222 is an apocalyptic number.

1966222 is a deficient number, since it is larger than the sum of its proper divisors (991250).

1966222 is a wasteful number, since it uses less digits than its factorization.

1966222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714.

The product of its digits is 2592, while the sum is 28.

The square root of 1966222 is about 1402.2203821083. The cubic root of 1966222 is about 125.2787804561.

The spelling of 1966222 in words is "one million, nine hundred sixty-six thousand, two hundred twenty-two".