2197042 has 16 divisors (see below), whose sum is σ = 3437280. Its totient is φ = 1052352.

The previous prime is 2197021. The next prime is 2197043. The reversal of 2197042 is 2407912.

It is a junction number, because it is equal to n+sod(n) for n = 2196998 and 2197016.

It is not an unprimeable number, because it can be changed into a prime (2197043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4858 + ... + 5290.

It is an arithmetic number, because the mean of its divisors is an integer number (214830).

2^2197042 is an apocalyptic number.

2197042 is a deficient number, since it is larger than the sum of its proper divisors (1240238).

2197042 is a wasteful number, since it uses less digits than its factorization.

2197042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2197042 is about 1482.2422204215. The cubic root of 2197042 is about 130.0008283971. Note that the first 3 decimals are identical.

The spelling of 2197042 in words is "two million, one hundred ninety-seven thousand, forty-two".