281122 has 8 divisors (see below), whose sum is σ = 423936. Its totient is φ = 139812.

The previous prime is 281117. The next prime is 281131. The reversal of 281122 is 221182.

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

It is a junction number, because it is equal to n+sod(n) for n = 281096 and 281105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543 + ... + 925.

It is an arithmetic number, because the mean of its divisors is an integer number (52992).

2²⁸¹¹²² is an apocalyptic number.

281122 is a deficient number, since it is larger than the sum of its proper divisors (142814).

281122 is a wasteful number, since it uses less digits than its factorization.

281122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752.

The product of its digits is 64, while the sum is 16.

The square root of 281122 is about 530.2093925988. The cubic root of 281122 is about 65.5085939426.

The spelling of 281122 in words is "two hundred eighty-one thousand, one hundred twenty-two".