2266642 has 24 divisors (see below), whose sum is σ = 4011660. Its totient is φ = 957600.

The previous prime is 2266639. The next prime is 2266679. The reversal of 2266642 is 2466622.

It can be written as a sum of positive squares in 2 ways, for example, as 1640961 + 625681 = 1281^2 + 791^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2266642.

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, 9784 + ... + 10012.

2^2266642 is an apocalyptic number.

2266642 is a deficient number, since it is larger than the sum of its proper divisors (1745018).

2266642 is a wasteful number, since it uses less digits than its factorization.

2266642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 339 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 2266642 is about 1505.5371134582. The cubic root of 2266642 is about 131.3593459144.

The spelling of 2266642 in words is "two million, two hundred sixty-six thousand, six hundred forty-two".