2197512 has 48 divisors (see below), whose sum is σ = 6215040. Its totient is φ = 700128.

The previous prime is 2197501. The next prime is 2197513. The reversal of 2197512 is 2157912.

It is not an unprimeable number, because it can be changed into a prime (2197513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 993 + ... + 2319.

It is an arithmetic number, because the mean of its divisors is an integer number (129480).

2^2197512 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 2197512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3107520).

2197512 is an abundant number, since it is smaller than the sum of its proper divisors (4017528).

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

2197512 is a wasteful number, since it uses less digits than its factorization.

2197512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1355 counting only the distinct ones).

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

The square root of 2197512 is about 1482.4007555314. The cubic root of 2197512 is about 130.0100978350.

It can be divided in two parts, 2197 and 512, that multiplied together give a cube (1124864 = 104³).

The spelling of 2197512 in words is "two million, one hundred ninety-seven thousand, five hundred twelve".