2212197192 has 48 divisors (see below), whose sum is σ = 5994731340. Its totient is φ = 736985088.

The previous prime is 2212197179. The next prime is 2212197193. The reversal of 2212197192 is 2917912122.

It is a happy number.

2212197192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2212197156 + 36 = 47034^2 + 6^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2212197193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137608 + ... + 152840.

Almost surely, 2^2212197192 is an apocalyptic number.

It is an amenable number.

2212197192 is an abundant number, since it is smaller than the sum of its proper divisors (3782534148).

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

2212197192 is a wasteful number, since it uses less digits than its factorization.

2212197192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17262 (or 17255 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 2212197192 is about 47034.0003827019. Note that the first 3 decimals coincide. The cubic root of 2212197192 is about 1302.9905887831.

Subtracting from 2212197192 its sum of digits (36), we obtain a square (2212197156 = 47034²).

The spelling of 2212197192 in words is "two billion, two hundred twelve million, one hundred ninety-seven thousand, one hundred ninety-two".