2236974894 has 288 divisors, whose sum is σ = 6608818944. Its totient is φ = 550851840.

The previous prime is 2236974893. The next prime is 2236974913. The reversal of 2236974894 is 4984796322.

It is a super-2 number, since 2×2236974894² = 10008113352772622472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2236974894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2236974893) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 19796182 + ... + 19796294.

It is an arithmetic number, because the mean of its divisors is an integer number (22947288).

Almost surely, 2^2236974894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2236974894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3304409472).

2236974894 is an abundant number, since it is smaller than the sum of its proper divisors (4371844050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2236974894 is a wasteful number, since it uses less digits than its factorization.

2236974894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 159 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 2236974894 is about 47296.6689524749. The cubic root of 2236974894 is about 1307.8372514451.

The spelling of 2236974894 in words is "two billion, two hundred thirty-six million, nine hundred seventy-four thousand, eight hundred ninety-four".