1912222 has 8 divisors (see below), whose sum is σ = 3089016. Its totient is φ = 882552.

The previous prime is 1912213. The next prime is 1912241. The reversal of 1912222 is 2222191.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1912222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36748 + ... + 36799.

It is an arithmetic number, because the mean of its divisors is an integer number (386127).

2^1912222 is an apocalyptic number.

1912222 is a deficient number, since it is larger than the sum of its proper divisors (1176794).

1912222 is a wasteful number, since it uses less digits than its factorization.

1912222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73562.

The product of its digits is 144, while the sum is 19.

The square root of 1912222 is about 1382.8311538290. The cubic root of 1912222 is about 124.1212393816.

The spelling of 1912222 in words is "one million, nine hundred twelve thousand, two hundred twenty-two".