11281422 has 16 divisors (see below), whose sum is σ = 22619520. Its totient is φ = 3751032.

The previous prime is 11281409. The next prime is 11281433. The reversal of 11281422 is 22418211.

It is a super-3 number, since 3×11281422³ (a number of 22 digits) contains 333 as substring.

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, 493 + ... + 4775.

It is an arithmetic number, because the mean of its divisors is an integer number (1413720).

Almost surely, 2^11281422 is an apocalyptic number.

11281422 is an abundant number, since it is smaller than the sum of its proper divisors (11338098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11281422 is a wasteful number, since it uses less digits than its factorization.

11281422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727.

The product of its digits is 256, while the sum is 21.

The square root of 11281422 is about 3358.7828152472. The cubic root of 11281422 is about 224.2786577744.

Adding to 11281422 its reverse (22418211), we get a palindrome (33699633).

The spelling of 11281422 in words is "eleven million, two hundred eighty-one thousand, four hundred twenty-two".