2228570 has 8 divisors (see below), whose sum is σ = 4011444. Its totient is φ = 891424.

The previous prime is 2228549. The next prime is 2228573. The reversal of 2228570 is 758222.

It can be written as a sum of positive squares in 2 ways, for example, as 2217121 + 11449 = 1489^2 + 107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁴ + 2⁸ + 2¹⁷ + 8⁷ + 5² + 7² + 0 .

It is not an unprimeable number, because it can be changed into a prime (2228573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111419 + ... + 111438.

2^2228570 is an apocalyptic number.

2228570 is a deficient number, since it is larger than the sum of its proper divisors (1782874).

2228570 is a wasteful number, since it uses less digits than its factorization.

2228570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222864.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2228570 is about 1492.8395761099. The cubic root of 2228570 is about 130.6197234653.

The spelling of 2228570 in words is "two million, two hundred twenty-eight thousand, five hundred seventy".