197222273645 has 8 divisors (see below), whose sum is σ = 236684021760. Its totient is φ = 157766290000.

The previous prime is 197222273623. The next prime is 197222273669. The reversal of 197222273645 is 546372222791.

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

It is not a de Polignac number, because 197222273645 - 2⁶ = 197222273581 is a prime.

It is a super-3 number, since 3×197222273645³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 197222273593 and 197222273602.

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, 1365485 + ... + 1502994.

It is an arithmetic number, because the mean of its divisors is an integer number (29585502720).

Almost surely, 2^197222273645 is an apocalyptic number.

It is an amenable number.

197222273645 is a deficient number, since it is larger than the sum of its proper divisors (39461748115).

197222273645 is a wasteful number, since it uses less digits than its factorization.

197222273645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882235.

The product of its digits is 2540160, while the sum is 50.

The spelling of 197222273645 in words is "one hundred ninety-seven billion, two hundred twenty-two million, two hundred seventy-three thousand, six hundred forty-five".