2251197 has 24 divisors (see below), whose sum is σ = 3564288. Its totient is φ = 1360800.

The previous prime is 2251169. The next prime is 2251199. The reversal of 2251197 is 7911522.

It is not a de Polignac number, because 2251197 - 2¹² = 2247101 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2251197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8172 + ... + 8442.

It is an arithmetic number, because the mean of its divisors is an integer number (148512).

2^2251197 is an apocalyptic number.

It is an amenable number.

2251197 is a deficient number, since it is larger than the sum of its proper divisors (1313091).

2251197 is a wasteful number, since it uses less digits than its factorization.

2251197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 358 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 2251197 is about 1500.3989469471. The cubic root of 2251197 is about 131.0603028313.

The spelling of 2251197 in words is "two million, two hundred fifty-one thousand, one hundred ninety-seven".