1942222 has 4 divisors (see below), whose sum is σ = 2913336. Its totient is φ = 971110.

The previous prime is 1942207. The next prime is 1942273. The reversal of 1942222 is 2222491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2222491 = 83 ⋅26777.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

1942222 is a modest number, since divided by 2222 gives 194 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1942193 and 1942202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485554 + ... + 485557.

It is an arithmetic number, because the mean of its divisors is an integer number (728334).

2^1942222 is an apocalyptic number.

1942222 is a deficient number, since it is larger than the sum of its proper divisors (971114).

1942222 is an equidigital number, since it uses as much as digits as its factorization.

1942222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971113.

The product of its digits is 576, while the sum is 22.

The square root of 1942222 is about 1393.6362509636. The cubic root of 1942222 is about 124.7669685072.

The spelling of 1942222 in words is "one million, nine hundred forty-two thousand, two hundred twenty-two".