197220926 has 16 divisors (see below), whose sum is σ = 338294880. Its totient is φ = 84472800.

The previous prime is 197220923. The next prime is 197220941. The reversal of 197220926 is 629022791.

It is a self number, because there is not a number n which added to its sum of digits gives 197220926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197220923) 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, 29276 + ... + 35376.

It is an arithmetic number, because the mean of its divisors is an integer number (21143430).

Almost surely, 2^197220926 is an apocalyptic number.

197220926 is a deficient number, since it is larger than the sum of its proper divisors (141073954).

197220926 is a wasteful number, since it uses less digits than its factorization.

197220926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8419.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 197220926 is about 14043.5368052354. The cubic root of 197220926 is about 582.0822165905.

The spelling of 197220926 in words is "one hundred ninety-seven million, two hundred twenty thousand, nine hundred twenty-six".