2266578 has 12 divisors (see below), whose sum is σ = 4910958. Its totient is φ = 755520.

The previous prime is 2266571. The next prime is 2266591. The reversal of 2266578 is 8756622.

2266578 is a `hidden beast` number, since 22 + 66 + 578 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2259009 + 7569 = 1503^2 + 87^2 .

It is a d-powerful number, because it can be written as 2⁸ + 2¹⁴ + 6 + 6⁷ + 5⁹ + 7⁵ + 8² .

It is not an unprimeable number, because it can be changed into a prime (2266571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62943 + ... + 62978.

2^2266578 is an apocalyptic number.

2266578 is an abundant number, since it is smaller than the sum of its proper divisors (2644380).

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

2266578 is a wasteful number, since it uses less digits than its factorization.

2266578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125929 (or 125926 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 2266578 is about 1505.5158584352. The cubic root of 2266578 is about 131.3581095660.

The spelling of 2266578 in words is "two million, two hundred sixty-six thousand, five hundred seventy-eight".