2197233651 has 8 divisors (see below), whose sum is σ = 2997776320. Its totient is φ = 1430756712.

The previous prime is 2197233637. The next prime is 2197233653. The reversal of 2197233651 is 1563327912.

It is a happy number.

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

It is not a de Polignac number, because 2197233651 - 2⁹ = 2197233139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2197233653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8516281 + ... + 8516538.

It is an arithmetic number, because the mean of its divisors is an integer number (374722040).

Almost surely, 2^2197233651 is an apocalyptic number.

2197233651 is a deficient number, since it is larger than the sum of its proper divisors (800542669).

2197233651 is a wasteful number, since it uses less digits than its factorization.

2197233651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17032865.

The product of its digits is 68040, while the sum is 39.

The square root of 2197233651 is about 46874.6589427593. The cubic root of 2197233651 is about 1300.0460833762.

The spelling of 2197233651 in words is "two billion, one hundred ninety-seven million, two hundred thirty-three thousand, six hundred fifty-one".