2197828285 has 8 divisors (see below), whose sum is σ = 2638308960. Its totient is φ = 1757652624.

The previous prime is 2197828271. The next prime is 2197828337. The reversal of 2197828285 is 5828287912.

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 2197828285 - 2¹⁷ = 2197697213 is a prime.

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, 60087 + ... + 89476.

It is an arithmetic number, because the mean of its divisors is an integer number (329788620).

Almost surely, 2^2197828285 is an apocalyptic number.

It is an amenable number.

2197828285 is a deficient number, since it is larger than the sum of its proper divisors (440480675).

2197828285 is a wasteful number, since it uses less digits than its factorization.

2197828285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152507.

The product of its digits is 1290240, while the sum is 52.

The square root of 2197828285 is about 46881.0013224974. The cubic root of 2197828285 is about 1300.1633492962.

The spelling of 2197828285 in words is "two billion, one hundred ninety-seven million, eight hundred twenty-eight thousand, two hundred eighty-five".