2261662 has 16 divisors (see below), whose sum is σ = 3753792. Its totient is φ = 1015200.

The previous prime is 2261653. The next prime is 2261689. The reversal of 2261662 is 2661622.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214 + ... + 2137.

It is an arithmetic number, because the mean of its divisors is an integer number (234612).

2^2261662 is an apocalyptic number.

2261662 is a deficient number, since it is larger than the sum of its proper divisors (1492130).

2261662 is a wasteful number, since it uses less digits than its factorization.

2261662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403.

The product of its digits is 1728, while the sum is 25.

The square root of 2261662 is about 1503.8823092250. The cubic root of 2261662 is about 131.2630729231.

The spelling of 2261662 in words is "two million, two hundred sixty-one thousand, six hundred sixty-two".