2197776 has 80 divisors (see below), whose sum is σ = 6729728. Its totient is φ = 604800.

The previous prime is 2197771. The next prime is 2197781. The reversal of 2197776 is 6777912.

It is an interprime number because it is at equal distance from previous prime (2197771) and next prime (2197781).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10311 + ... + 10521.

2^2197776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2197776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3364864).

2197776 is an abundant number, since it is smaller than the sum of its proper divisors (4531952).

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

2197776 is a wasteful number, since it uses less digits than its factorization.

2197776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 254 counting only the distinct ones).

The product of its digits is 37044, while the sum is 39.

The square root of 2197776 is about 1482.4897976040. The cubic root of 2197776 is about 130.0153039182.

The spelling of 2197776 in words is "two million, one hundred ninety-seven thousand, seven hundred seventy-six".