197040522 has 32 divisors (see below), whose sum is σ = 452196864. Its totient is φ = 56070000.

The previous prime is 197040511. The next prime is 197040527. The reversal of 197040522 is 225040791.

It is a self number, because there is not a number n which added to its sum of digits gives 197040522.

It is not an unprimeable number, because it can be changed into a prime (197040527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197 + ... + 19887.

It is an arithmetic number, because the mean of its divisors is an integer number (14131152).

Almost surely, 2^197040522 is an apocalyptic number.

197040522 is an abundant number, since it is smaller than the sum of its proper divisors (255156342).

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

197040522 is a wasteful number, since it uses less digits than its factorization.

197040522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18954.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 197040522 is about 14037.1123098734. The cubic root of 197040522 is about 581.9046796573.

The spelling of 197040522 in words is "one hundred ninety-seven million, forty thousand, five hundred twenty-two".