2197124345 has 32 divisors (see below), whose sum is σ = 2913128064. Its totient is φ = 1580544000.

The previous prime is 2197124297. The next prime is 2197124351. The reversal of 2197124345 is 5434217912.

It is not a de Polignac number, because 2197124345 - 2⁸ = 2197124089 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2197124299 and 2197124308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1371545 + ... + 1373145.

It is an arithmetic number, because the mean of its divisors is an integer number (91035252).

Almost surely, 2^2197124345 is an apocalyptic number.

It is an amenable number.

2197124345 is a deficient number, since it is larger than the sum of its proper divisors (716003719).

2197124345 is a wasteful number, since it uses less digits than its factorization.

2197124345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153.

The product of its digits is 60480, while the sum is 38.

The square root of 2197124345 is about 46873.4929891085. The cubic root of 2197124345 is about 1300.0245251783.

The spelling of 2197124345 in words is "two billion, one hundred ninety-seven million, one hundred twenty-four thousand, three hundred forty-five".