2215028 has 6 divisors (see below), whose sum is σ = 3876306. Its totient is φ = 1107512.

The previous prime is 2215013. The next prime is 2215051. The reversal of 2215028 is 8205122.

It can be written as a sum of positive squares in only one way, i.e., 2010724 + 204304 = 1418^2 + 452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276875 + ... + 276882.

It is an arithmetic number, because the mean of its divisors is an integer number (646051).

2^2215028 is an apocalyptic number.

It is an amenable number.

2215028 is a deficient number, since it is larger than the sum of its proper divisors (1661278).

2215028 is a wasteful number, since it uses less digits than its factorization.

2215028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553761 (or 553759 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2215028 is about 1488.2970133680. The cubic root of 2215028 is about 130.3546136603.

The spelling of 2215028 in words is "two million, two hundred fifteen thousand, twenty-eight".