2220528 has 20 divisors (see below), whose sum is σ = 5736488. Its totient is φ = 740160.

The previous prime is 2220527. The next prime is 2220529. The reversal of 2220528 is 8250222.

It is an interprime number because it is at equal distance from previous prime (2220527) and next prime (2220529).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23083 + ... + 23178.

2^2220528 is an apocalyptic number.

It is an amenable number.

2220528 is an abundant number, since it is smaller than the sum of its proper divisors (3515960).

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

2220528 is a wasteful number, since it uses less digits than its factorization.

2220528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46272 (or 46266 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2220528 is about 1490.1436172396. The cubic root of 2220528 is about 130.4624163287.

The spelling of 2220528 in words is "two million, two hundred twenty thousand, five hundred twenty-eight".