2197395385 has 8 divisors (see below), whose sum is σ = 2642647176. Its totient is φ = 1754067840.

The previous prime is 2197395341. The next prime is 2197395407. The reversal of 2197395385 is 5835937912.

It can be written as a sum of positive squares in 4 ways, for example, as 173475241 + 2023920144 = 13171^2 + 44988^2 .

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

It is not a de Polignac number, because 2197395385 - 2¹¹ = 2197393337 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, 478546 + ... + 483115.

It is an arithmetic number, because the mean of its divisors is an integer number (330330897).

Almost surely, 2^2197395385 is an apocalyptic number.

It is an amenable number.

2197395385 is a deficient number, since it is larger than the sum of its proper divisors (445251791).

2197395385 is an equidigital number, since it uses as much as digits as its factorization.

2197395385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962123.

The product of its digits is 2041200, while the sum is 52.

The square root of 2197395385 is about 46876.3840862326. The cubic root of 2197395385 is about 1300.0779805293.

The spelling of 2197395385 in words is "two billion, one hundred ninety-seven million, three hundred ninety-five thousand, three hundred eighty-five".