2197774 has 8 divisors (see below), whose sum is σ = 3303720. Its totient is φ = 1096536.

The previous prime is 2197771. The next prime is 2197781. The reversal of 2197774 is 4777912.

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

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 3 ways as a sum of consecutive naturals, for example, 432 + ... + 2140.

It is an arithmetic number, because the mean of its divisors is an integer number (412965).

2^2197774 is an apocalyptic number.

2197774 is a deficient number, since it is larger than the sum of its proper divisors (1105946).

2197774 is a wasteful number, since it uses less digits than its factorization.

2197774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354.

The product of its digits is 24696, while the sum is 37.

The square root of 2197774 is about 1482.4891230630. The cubic root of 2197774 is about 130.0152644798.

The spelling of 2197774 in words is "two million, one hundred ninety-seven thousand, seven hundred seventy-four".