2197456 has 10 divisors (see below), whose sum is σ = 4257602. Its totient is φ = 1098720.

The previous prime is 2197453. The next prime is 2197463. The reversal of 2197456 is 6547912.

It can be written as a sum of positive squares in only one way, i.e., 2190400 + 7056 = 1480^2 + 84^2 .

It is a super-3 number, since 3×2197456³ = 31833311454938984448, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68655 + ... + 68686.

2^2197456 is an apocalyptic number.

It is an amenable number.

2197456 is a deficient number, since it is larger than the sum of its proper divisors (2060146).

2197456 is a wasteful number, since it uses less digits than its factorization.

2197456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137349 (or 137343 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 2197456 is about 1482.3818671314. The cubic root of 2197456 is about 130.0089934607.

The spelling of 2197456 in words is "two million, one hundred ninety-seven thousand, four hundred fifty-six".