2197722 has 8 divisors (see below), whose sum is σ = 4395456. Its totient is φ = 732572.

The previous prime is 2197703. The next prime is 2197733. The reversal of 2197722 is 2277912.

It is a happy number.

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

2197722 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2197722.

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, 183138 + ... + 183149.

It is an arithmetic number, because the mean of its divisors is an integer number (549432).

2^2197722 is an apocalyptic number.

2197722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2197722 is a wasteful number, since it uses less digits than its factorization.

2197722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366292.

The product of its digits is 3528, while the sum is 30.

The square root of 2197722 is about 1482.4715848879. The cubic root of 2197722 is about 130.0142390715.

The spelling of 2197722 in words is "two million, one hundred ninety-seven thousand, seven hundred twenty-two".