197122315 has 8 divisors (see below), whose sum is σ = 254742768. Its totient is φ = 145567200.

The previous prime is 197122307. The next prime is 197122339. The reversal of 197122315 is 513221791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197122315 - 2³ = 197122307 is a prime.

It is a Duffinian 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, 1516261 + ... + 1516390.

It is an arithmetic number, because the mean of its divisors is an integer number (31842846).

Almost surely, 2^197122315 is an apocalyptic number.

197122315 is a deficient number, since it is larger than the sum of its proper divisors (57620453).

197122315 is a wasteful number, since it uses less digits than its factorization.

197122315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032669.

The product of its digits is 3780, while the sum is 31.

The square root of 197122315 is about 14040.0254629399. The cubic root of 197122315 is about 581.9851861858.

The spelling of 197122315 in words is "one hundred ninety-seven million, one hundred twenty-two thousand, three hundred fifteen".