2197628 has 12 divisors (see below), whose sum is σ = 3862320. Its totient is φ = 1094112.

The previous prime is 2197609. The next prime is 2197631. The reversal of 2197628 is 8267912.

It is a happy number.

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, 8 + ... + 2096.

It is an arithmetic number, because the mean of its divisors is an integer number (321860).

2^2197628 is an apocalyptic number.

It is an amenable number.

2197628 is a deficient number, since it is larger than the sum of its proper divisors (1664692).

2197628 is a wasteful number, since it uses less digits than its factorization.

2197628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356 (or 2354 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 2197628 is about 1482.4398807372. The cubic root of 2197628 is about 130.0123854077.

The spelling of 2197628 in words is "two million, one hundred ninety-seven thousand, six hundred twenty-eight".