2198237278471 has 8 divisors (see below), whose sum is σ = 2367348545520. Its totient is φ = 2029128310272.

The previous prime is 2198237278453. The next prime is 2198237278493. The reversal of 2198237278471 is 1748727328912.

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 2198237278471 - 2⁹ = 2198237277959 is a prime.

It is a super-3 number, since 3×2198237278471³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198237273471) 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, 1763751 + ... + 2739943.

It is an arithmetic number, because the mean of its divisors is an integer number (295918568190).

Almost surely, 2^{2198237278471} is an apocalyptic number.

2198237278471 is a deficient number, since it is larger than the sum of its proper divisors (169111267049).

2198237278471 is a wasteful number, since it uses less digits than its factorization.

2198237278471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149425.

The product of its digits is 18966528, while the sum is 61.

The spelling of 2198237278471 in words is "two trillion, one hundred ninety-eight billion, two hundred thirty-seven million, two hundred seventy-eight thousand, four hundred seventy-one".