197106222 has 8 divisors (see below), whose sum is σ = 394212456. Its totient is φ = 65702072.

The previous prime is 197106199. The next prime is 197106271. The reversal of 197106222 is 222601791.

It is a sphenic number, since it is the product of 3 distinct primes.

197106222 is an admirable number.

It is a super-2 number, since 2×197106222² = 77701725502226568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 197106222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16425513 + ... + 16425524.

It is an arithmetic number, because the mean of its divisors is an integer number (49276557).

Almost surely, 2^197106222 is an apocalyptic number.

197106222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

197106222 is a wasteful number, since it uses less digits than its factorization.

197106222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32851042.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 197106222 is about 14039.4523397460. The cubic root of 197106222 is about 581.9693480627.

The spelling of 197106222 in words is "one hundred ninety-seven million, one hundred six thousand, two hundred twenty-two".