2715228 has 48 divisors (see below), whose sum is σ = 7275520. Its totient is φ = 874800.

The previous prime is 2715221. The next prime is 2715247. The reversal of 2715228 is 8225172.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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 (2715221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2943 + ... + 3753.

2^2715228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2715228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3637760).

2715228 is an abundant number, since it is smaller than the sum of its proper divisors (4560292).

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

2715228 is a wasteful number, since it uses less digits than its factorization.

2715228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 847 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2715228 is about 1647.7948901486. The cubic root of 2715228 is about 139.5089599980.

The spelling of 2715228 in words is "two million, seven hundred fifteen thousand, two hundred twenty-eight".