2228236020 has 192 divisors, whose sum is σ = 7476537600. Its totient is φ = 549089280.

The previous prime is 2228236009. The next prime is 2228236027. The reversal of 2228236020 is 206328222.

It is a happy number.

2228236020 is a `hidden beast` number, since 2 + 2 + 282 + 360 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228236027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 418012 + ... + 423308.

It is an arithmetic number, because the mean of its divisors is an integer number (38940300).

Almost surely, 2^2228236020 is an apocalyptic number.

2228236020 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 2228236020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3738268800).

2228236020 is an abundant number, since it is smaller than the sum of its proper divisors (5248301580).

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

2228236020 is a wasteful number, since it uses less digits than its factorization.

2228236020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375 (or 5367 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2228236020 is about 47204.1949407042. The cubic root of 2228236020 is about 1306.1319812179.

The spelling of 2228236020 in words is "two billion, two hundred twenty-eight million, two hundred thirty-six thousand, twenty".