2197824426 has 48 divisors (see below), whose sum is σ = 5444869248. Its totient is φ = 627645600.

The previous prime is 2197824401. The next prime is 2197824427. The reversal of 2197824426 is 6244287912.

2197824426 is a `hidden beast` number, since 219 + 7 + 8 + 2 + 4 + 426 = 666.

It is not an unprimeable number, because it can be changed into a prime (2197824427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 448771 + ... + 453641.

It is an arithmetic number, because the mean of its divisors is an integer number (113434776).

Almost surely, 2^2197824426 is an apocalyptic number.

2197824426 is an abundant number, since it is smaller than the sum of its proper divisors (3247044822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2197824426 is a wasteful number, since it uses less digits than its factorization.

2197824426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8467 (or 8464 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 2197824426 is about 46880.9601650819. The cubic root of 2197824426 is about 1300.1625883431.

The spelling of 2197824426 in words is "two billion, one hundred ninety-seven million, eight hundred twenty-four thousand, four hundred twenty-six".