197221514 has 16 divisors (see below), whose sum is σ = 338500608. Its totient is φ = 84421872.

The previous prime is 197221511. The next prime is 197221517. The reversal of 197221514 is 415122791.

197221514 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (197221511) and next prime (197221517).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (197221511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4247 + ... + 20309.

It is an arithmetic number, because the mean of its divisors is an integer number (21156288).

Almost surely, 2^197221514 is an apocalyptic number.

197221514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

197221514 is a deficient number, since it is larger than the sum of its proper divisors (141279094).

197221514 is a wasteful number, since it uses less digits than its factorization.

197221514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16949.

The product of its digits is 5040, while the sum is 32.

The square root of 197221514 is about 14043.5577401170. The cubic root of 197221514 is about 582.0827950687.

The spelling of 197221514 in words is "one hundred ninety-seven million, two hundred twenty-one thousand, five hundred fourteen".