197457644022 has 16 divisors (see below), whose sum is σ = 395930499120. Its totient is φ = 65650012832.

The previous prime is 197457643987. The next prime is 197457644063. The reversal of 197457644022 is 220446754791.

197457644022 is digitally balanced in base 3, 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, 42297933 + ... + 42302600.

It is an arithmetic number, because the mean of its divisors is an integer number (24745656195).

Almost surely, 2^197457644022 is an apocalyptic number.

197457644022 is an abundant number, since it is smaller than the sum of its proper divisors (198472855098).

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

197457644022 is a wasteful number, since it uses less digits than its factorization.

197457644022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84600927.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 197457644022 in words is "one hundred ninety-seven billion, four hundred fifty-seven million, six hundred forty-four thousand, twenty-two".