2985220197 has 8 divisors (see below), whose sum is σ = 4422548480. Its totient is φ = 1990146780.

The previous prime is 2985220157. The next prime is 2985220211. The reversal of 2985220197 is 7910225892.

It is a happy number.

It is not a de Polignac number, because 2985220197 - 2¹⁰ = 2985219173 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 (2985220157) 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, 55281829 + ... + 55281882.

It is an arithmetic number, because the mean of its divisors is an integer number (552818560).

Almost surely, 2^2985220197 is an apocalyptic number.

2985220197 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2985220197 is a deficient number, since it is larger than the sum of its proper divisors (1437328283).

2985220197 is a wasteful number, since it uses less digits than its factorization.

2985220197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110563720 (or 110563714 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 2985220197 is about 54637.1686400384. The cubic root of 2985220197 is about 1439.8772074114.

The spelling of 2985220197 in words is "two billion, nine hundred eighty-five million, two hundred twenty thousand, one hundred ninety-seven".