2274321720 has 128 divisors (see below), whose sum is σ = 7455214080. Its totient is φ = 550464000.

The previous prime is 2274321713. The next prime is 2274321769. The reversal of 2274321720 is 271234722.

2274321720 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1241205 + ... + 1243035.

It is an arithmetic number, because the mean of its divisors is an integer number (58243860).

Almost surely, 2^2274321720 is an apocalyptic number.

2274321720 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 2274321720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3727607040).

2274321720 is an abundant number, since it is smaller than the sum of its proper divisors (5180892360).

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

2274321720 is a wasteful number, since it uses less digits than its factorization.

2274321720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 2274321720 is about 47689.8492344021. The cubic root of 2274321720 is about 1315.0753367567.

The spelling of 2274321720 in words is "two billion, two hundred seventy-four million, three hundred twenty-one thousand, seven hundred twenty".