2281661822 has 16 divisors (see below), whose sum is σ = 3786217344. Its totient is φ = 1022511000.

The previous prime is 2281661813. The next prime is 2281661831.

2281661822 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (2281661813) and next prime (2281661831).

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, 728804 + ... + 731927.

It is an arithmetic number, because the mean of its divisors is an integer number (236638584).

Almost surely, 2^2281661822 is an apocalyptic number.

2281661822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2281661822 is a deficient number, since it is larger than the sum of its proper divisors (1504555522).

2281661822 is a wasteful number, since it uses less digits than its factorization.

2281661822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460815.

The product of its digits is 36864, while the sum is 38.

The square root of 2281661822 is about 47766.7438915403. The cubic root of 2281661822 is about 1316.4885670834.

The spelling of 2281661822 in words is "two billion, two hundred eighty-one million, six hundred sixty-one thousand, eight hundred twenty-two".