2197825631 has 8 divisors (see below), whose sum is σ = 2270419584. Its totient is φ = 2125337760.

The previous prime is 2197825613. The next prime is 2197825633. The reversal of 2197825631 is 1365287912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2197825631 is a prime.

It is a super-2 number, since 2×2197825631² = 9660875008561096322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197825633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16745 + ... + 68381.

It is an arithmetic number, because the mean of its divisors is an integer number (283802448).

Almost surely, 2^2197825631 is an apocalyptic number.

2197825631 is a deficient number, since it is larger than the sum of its proper divisors (72593953).

2197825631 is a wasteful number, since it uses less digits than its factorization.

2197825631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53041.

The product of its digits is 181440, while the sum is 44.

The square root of 2197825631 is about 46880.9730167794. The cubic root of 2197825631 is about 1300.1628259562.

The spelling of 2197825631 in words is "two billion, one hundred ninety-seven million, eight hundred twenty-five thousand, six hundred thirty-one".