2197471748 has 24 divisors (see below), whose sum is σ = 4075995672. Its totient is φ = 1033035264.

The previous prime is 2197471739. The next prime is 2197471823. The reversal of 2197471748 is 8471747912.

It can be written as a sum of positive squares in 4 ways, for example, as 1523965444 + 673506304 = 39038^2 + 25952^2 .

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2197471696 and 2197471705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51590 + ... + 84002.

It is an arithmetic number, because the mean of its divisors is an integer number (169833153).

Almost surely, 2^2197471748 is an apocalyptic number.

It is an amenable number.

2197471748 is a deficient number, since it is larger than the sum of its proper divisors (1878523924).

2197471748 is a wasteful number, since it uses less digits than its factorization.

2197471748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33431 (or 33429 counting only the distinct ones).

The product of its digits is 790272, while the sum is 50.

The square root of 2197471748 is about 46877.1985937726. The cubic root of 2197471748 is about 1300.0930402838.

The spelling of 2197471748 in words is "two billion, one hundred ninety-seven million, four hundred seventy-one thousand, seven hundred forty-eight".