2273226228 has 288 divisors, whose sum is σ = 7464683520. Its totient is φ = 592945920.

The previous prime is 2273226227. The next prime is 2273226257. The reversal of 2273226228 is 8226223722.

2273226228 is a `hidden beast` number, since 2 + 2 + 7 + 3 + 22 + 622 + 8 = 666.

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 = 2273226192 and 2273226201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273226223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11901613 + ... + 11901803.

It is an arithmetic number, because the mean of its divisors is an integer number (25919040).

Almost surely, 2^2273226228 is an apocalyptic number.

2273226228 is a gapful number since it is divisible by the number (28) 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 2273226228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3732341760).

2273226228 is an abundant number, since it is smaller than the sum of its proper divisors (5191457292).

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

2273226228 is a wasteful number, since it uses less digits than its factorization.

2273226228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 389 counting only the distinct ones).

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

The square root of 2273226228 is about 47678.3622621415. The cubic root of 2273226228 is about 1314.8641549831.

The spelling of 2273226228 in words is "two billion, two hundred seventy-three million, two hundred twenty-six thousand, two hundred twenty-eight".