2228045 has 12 divisors (see below), whose sum is σ = 2748636. Its totient is φ = 1733760.

The previous prime is 2228027. The next prime is 2228053. The reversal of 2228045 is 5408222.

It can be written as a sum of positive squares in 2 ways, for example, as 1249924 + 978121 = 1118^2 + 989^2 .

It is not a de Polignac number, because 2228045 - 2⁸ = 2227789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9125 + ... + 9365.

It is an arithmetic number, because the mean of its divisors is an integer number (229053).

2^2228045 is an apocalyptic number.

It is an amenable number.

2228045 is a deficient number, since it is larger than the sum of its proper divisors (520591).

2228045 is an equidigital number, since it uses as much as digits as its factorization.

2228045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2228045 is about 1492.6637263630. The cubic root of 2228045 is about 130.6094656557.

The spelling of 2228045 in words is "two million, two hundred twenty-eight thousand, forty-five".