197122437 has 8 divisors (see below), whose sum is σ = 292033280. Its totient is φ = 131414940.

The previous prime is 197122417. The next prime is 197122441. The reversal of 197122437 is 734221791.

It is not a de Polignac number, because 197122437 - 2²² = 192928133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197122417) 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, 3650389 + ... + 3650442.

It is an arithmetic number, because the mean of its divisors is an integer number (36504160).

Almost surely, 2^197122437 is an apocalyptic number.

It is an amenable number.

197122437 is a deficient number, since it is larger than the sum of its proper divisors (94910843).

197122437 is an equidigital number, since it uses as much as digits as its factorization.

197122437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7300840 (or 7300834 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 197122437 is about 14040.0298076607. The cubic root of 197122437 is about 581.9853062504.

The spelling of 197122437 in words is "one hundred ninety-seven million, one hundred twenty-two thousand, four hundred thirty-seven".