2281451822 has 16 divisors (see below), whose sum is σ = 3693010272. Its totient is φ = 1050809760.

The previous prime is 2281451819. The next prime is 2281451849. The reversal of 2281451822 is 2281541822.

It is a super-2 number, since 2×2281451822² = 10410044832214239368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77429 + ... + 102752.

It is an arithmetic number, because the mean of its divisors is an integer number (230813142).

Almost surely, 2^2281451822 is an apocalyptic number.

2281451822 is a deficient number, since it is larger than the sum of its proper divisors (1411558450).

2281451822 is a wasteful number, since it uses less digits than its factorization.

2281451822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180683.

The product of its digits is 20480, while the sum is 35.

The square root of 2281451822 is about 47764.5456588880. The cubic root of 2281451822 is about 1316.4481767740.

Subtracting 2281451822 from its reverse (2281541822), we obtain a square (90000 = 300²).

The spelling of 2281451822 in words is "two billion, two hundred eighty-one million, four hundred fifty-one thousand, eight hundred twenty-two".