2220220197 has 24 divisors (see below), whose sum is σ = 3502332288. Its totient is φ = 1347040800.

The previous prime is 2220220181. The next prime is 2220220201. The reversal of 2220220197 is 7910220222.

2220220197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2220220197 - 2⁴ = 2220220181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220220197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220220157) 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, 125329 + ... + 141942.

It is an arithmetic number, because the mean of its divisors is an integer number (145930512).

Almost surely, 2^2220220197 is an apocalyptic number.

It is an amenable number.

2220220197 is a deficient number, since it is larger than the sum of its proper divisors (1282112091).

2220220197 is a wasteful number, since it uses less digits than its factorization.

2220220197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267361 (or 267358 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2220220197 is about 47119.2126101445. The cubic root of 2220220197 is about 1304.5638794587.

The spelling of 2220220197 in words is "two billion, two hundred twenty million, two hundred twenty thousand, one hundred ninety-seven".