2228553 has 16 divisors (see below), whose sum is σ = 3345600. Its totient is φ = 1484244.

The previous prime is 2228549. The next prime is 2228573. The reversal of 2228553 is 3558222.

It is not a de Polignac number, because 2228553 - 2² = 2228549 is a prime.

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

It is a d-powerful number, because it can be written as 2¹⁴ + 2¹⁵ + 2²¹ + 8⁴ + 5² + 5⁷ + 3 .

2228553 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2228533) 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, 1678 + ... + 2696.

It is an arithmetic number, because the mean of its divisors is an integer number (209100).

2^2228553 is an apocalyptic number.

It is an amenable number.

2228553 is a deficient number, since it is larger than the sum of its proper divisors (1117047).

2228553 is an frugal number, since it uses more digits than its factorization.

2228553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1022 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2228553 is about 1492.8338822521. The cubic root of 2228553 is about 130.6193913329.

The spelling of 2228553 in words is "two million, two hundred twenty-eight thousand, five hundred fifty-three".