2237228 has 12 divisors (see below), whose sum is σ = 4474512. Its totient is φ = 958800.

The previous prime is 2237219. The next prime is 2237267. The reversal of 2237228 is 8227322.

2237228 is nontrivially palindromic in base 13.

2237228 is an admirable number.

It is a d-powerful number, because it can be written as 2⁹ + 2¹³ + 3⁵ + 7² + 2¹⁷ + 2²¹ + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 2237197 and 2237206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39923 + ... + 39978.

It is an arithmetic number, because the mean of its divisors is an integer number (372876).

2^2237228 is an apocalyptic number.

2237228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2237228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2237228 is a wasteful number, since it uses less digits than its factorization.

2237228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79912 (or 79910 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 2237228 is about 1495.7366078291. The cubic root of 2237228 is about 130.7886575344.

The spelling of 2237228 in words is "two million, two hundred thirty-seven thousand, two hundred twenty-eight".