2197570238 has 16 divisors (see below), whose sum is σ = 3319140240. Its totient is φ = 1091200896.

The previous prime is 2197570237. The next prime is 2197570241. The reversal of 2197570238 is 8320757912.

2197570238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197570237) 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, 786548 + ... + 789336.

It is an arithmetic number, because the mean of its divisors is an integer number (207446265).

Almost surely, 2^2197570238 is an apocalyptic number.

2197570238 is a deficient number, since it is larger than the sum of its proper divisors (1121570002).

2197570238 is a wasteful number, since it uses less digits than its factorization.

2197570238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 2197570238 is about 46878.2490927296. The cubic root of 2197570238 is about 1300.1124632488.

The spelling of 2197570238 in words is "two billion, one hundred ninety-seven million, five hundred seventy thousand, two hundred thirty-eight".