2261289562 has 16 divisors (see below), whose sum is σ = 3880736640. Its totient is φ = 968064048.

The previous prime is 2261289539. The next prime is 2261289623. The reversal of 2261289562 is 2659821622.

It is a super-2 number, since 2×2261289562² = 10226860966420303688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75013 + ... + 100744.

It is an arithmetic number, because the mean of its divisors is an integer number (242546040).

Almost surely, 2^2261289562 is an apocalyptic number.

2261289562 is a deficient number, since it is larger than the sum of its proper divisors (1619447078).

2261289562 is a wasteful number, since it uses less digits than its factorization.

2261289562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176685.

The product of its digits is 207360, while the sum is 43.

The square root of 2261289562 is about 47553.0184320617. The cubic root of 2261289562 is about 1312.5586730173.

The spelling of 2261289562 in words is "two billion, two hundred sixty-one million, two hundred eighty-nine thousand, five hundred sixty-two".