2197480365 has 48 divisors (see below), whose sum is σ = 3971635200. Its totient is φ = 1122581376.

The previous prime is 2197480343. The next prime is 2197480381. The reversal of 2197480365 is 5630847912.

2197480365 is a `hidden beast` number, since 21 + 97 + 480 + 3 + 65 = 666.

2197480365 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

2197480365 is a nontrivial binomial coefficient, being equal to C(66295, 2).

It is not a de Polignac number, because 2197480365 - 2⁶ = 2197480301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

2197480365 is strictly pandigital in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2197480365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159106 + ... + 172364.

It is an arithmetic number, because the mean of its divisors is an integer number (82742400).

It is a 1-persistent number, because it is pandigital, but 2⋅2197480365 = 4394960730 is not.

Almost surely, 2^2197480365 is an apocalyptic number.

2197480365 is the 66294-th triangular number.

It is an amenable number.

2197480365 is a deficient number, since it is larger than the sum of its proper divisors (1774154835).

2197480365 is a wasteful number, since it uses less digits than its factorization.

2197480365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13426 (or 13423 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2197480365 is about 46877.2905040383. The cubic root of 2197480365 is about 1300.0947396438.

The spelling of 2197480365 in words is "two billion, one hundred ninety-seven million, four hundred eighty thousand, three hundred sixty-five".