197031022 has 4 divisors (see below), whose sum is σ = 295546536. Its totient is φ = 98515510.

The previous prime is 197031019. The next prime is 197031053. The reversal of 197031022 is 220130791.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49257754 + ... + 49257757.

It is an arithmetic number, because the mean of its divisors is an integer number (73886634).

Almost surely, 2^197031022 is an apocalyptic number.

197031022 is a deficient number, since it is larger than the sum of its proper divisors (98515514).

197031022 is an equidigital number, since it uses as much as digits as its factorization.

197031022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98515513.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 197031022 is about 14036.7739171079. The cubic root of 197031022 is about 581.8953276330.

The spelling of 197031022 in words is "one hundred ninety-seven million, thirty-one thousand, twenty-two".