197806422 has 16 divisors (see below), whose sum is σ = 431577792. Its totient is φ = 59941320.

The previous prime is 197806369. The next prime is 197806457. The reversal of 197806422 is 224608791.

197806422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498468 + ... + 1498599.

It is an arithmetic number, because the mean of its divisors is an integer number (26973612).

Almost surely, 2^197806422 is an apocalyptic number.

197806422 is an abundant number, since it is smaller than the sum of its proper divisors (233771370).

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

197806422 is a wasteful number, since it uses less digits than its factorization.

197806422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997083.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 197806422 is about 14064.3671027174. The cubic root of 197806422 is about 582.6576628120.

The spelling of 197806422 in words is "one hundred ninety-seven million, eight hundred six thousand, four hundred twenty-two".