2228673240 has 96 divisors (see below), whose sum is σ = 7252015680. Its totient is φ = 593588736.

The previous prime is 2228673179. The next prime is 2228673241. The reversal of 2228673240 is 423768222.

It is a happy number.

2228673240 is digitally balanced in base 2, because in such base 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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 2228673195 and 2228673204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228673241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334017 + ... + 340623.

It is an arithmetic number, because the mean of its divisors is an integer number (75541830).

Almost surely, 2^2228673240 is an apocalyptic number.

2228673240 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 2228673240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3626007840).

2228673240 is an abundant number, since it is smaller than the sum of its proper divisors (5023342440).

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

2228673240 is a wasteful number, since it uses less digits than its factorization.

2228673240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7561 (or 7554 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 2228673240 is about 47208.8258697460. The cubic root of 2228673240 is about 1306.2174044963.

The spelling of 2228673240 in words is "two billion, two hundred twenty-eight million, six hundred seventy-three thousand, two hundred forty".