197220285215 has 8 divisors (see below), whose sum is σ = 236898901680. Its totient is φ = 157619855232.

The previous prime is 197220285211. The next prime is 197220285217. The reversal of 197220285215 is 512582022791.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 197220285215 - 2² = 197220285211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197220285211) 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, 19541069 + ... + 19551158.

It is an arithmetic number, because the mean of its divisors is an integer number (29612362710).

Almost surely, 2^197220285215 is an apocalyptic number.

197220285215 is a deficient number, since it is larger than the sum of its proper divisors (39678616465).

197220285215 is a wasteful number, since it uses less digits than its factorization.

197220285215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39093241.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 197220285215 in words is "one hundred ninety-seven billion, two hundred twenty million, two hundred eighty-five thousand, two hundred fifteen".