2197239 has 12 divisors (see below), whose sum is σ = 3220728. Its totient is φ = 1331440.

The previous prime is 2197193. The next prime is 2197241. The reversal of 2197239 is 9327912.

It is not a de Polignac number, because 2197239 - 2¹¹ = 2195191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

2197239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2664 + ... + 3389.

It is an arithmetic number, because the mean of its divisors is an integer number (268394).

2^2197239 is an apocalyptic number.

2197239 is a deficient number, since it is larger than the sum of its proper divisors (1023489).

2197239 is a wasteful number, since it uses less digits than its factorization.

2197239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078 (or 6067 counting only the distinct ones).

The product of its digits is 6804, while the sum is 33.

The square root of 2197239 is about 1482.3086723082. The cubic root of 2197239 is about 130.0047138330.

The spelling of 2197239 in words is "two million, one hundred ninety-seven thousand, two hundred thirty-nine".