2261582 has 8 divisors (see below), whose sum is σ = 3422736. Its totient is φ = 1120672.

The previous prime is 2261573. The next prime is 2261587. The reversal of 2261582 is 2851622.

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

It is a super-2 number, since 2×2261582² = 10229506285448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4778 + ... + 5229.

It is an arithmetic number, because the mean of its divisors is an integer number (427842).

2^2261582 is an apocalyptic number.

2261582 is a deficient number, since it is larger than the sum of its proper divisors (1161154).

2261582 is a wasteful number, since it uses less digits than its factorization.

2261582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10122.

The product of its digits is 1920, while the sum is 26.

The square root of 2261582 is about 1503.8557111638. The cubic root of 2261582 is about 131.2615252162.

The spelling of 2261582 in words is "two million, two hundred sixty-one thousand, five hundred eighty-two".