2197422 has 16 divisors (see below), whose sum is σ = 4883280. Its totient is φ = 732456.

The previous prime is 2197421. The next prime is 2197427. The reversal of 2197422 is 2247912.

2197422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20293 + ... + 20400.

It is an arithmetic number, because the mean of its divisors is an integer number (305205).

2^2197422 is an apocalyptic number.

2197422 is an abundant number, since it is smaller than the sum of its proper divisors (2685858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2197422 is a wasteful number, since it uses less digits than its factorization.

2197422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40704 (or 40698 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2197422 is about 1482.3703990569. The cubic root of 2197422 is about 130.0083229385.

The spelling of 2197422 in words is "two million, one hundred ninety-seven thousand, four hundred twenty-two".