2274138240 has 512 divisors, whose sum is σ = 8460288000. Its totient is φ = 514375680.

The previous prime is 2274138203. The next prime is 2274138299. The reversal of 2274138240 is 428314722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28786521 + ... + 28786599.

It is an arithmetic number, because the mean of its divisors is an integer number (16524000).

Almost surely, 2^2274138240 is an apocalyptic number.

2274138240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2274138240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4230144000).

2274138240 is an abundant number, since it is smaller than the sum of its proper divisors (6186149760).

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

2274138240 is a wasteful number, since it uses less digits than its factorization.

2274138240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 2274138240 is about 47687.9255157949. The cubic root of 2274138240 is about 1315.0399714124.

The spelling of 2274138240 in words is "two billion, two hundred seventy-four million, one hundred thirty-eight thousand, two hundred forty".