11287422 has 24 divisors (see below), whose sum is σ = 25895376. Its totient is φ = 3541056.

The previous prime is 11287417. The next prime is 11287427. The reversal of 11287422 is 22478211.

It is an interprime number because it is at equal distance from previous prime (11287417) and next prime (11287427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18138 + ... + 18749.

It is an arithmetic number, because the mean of its divisors is an integer number (1078974).

Almost surely, 2^11287422 is an apocalyptic number.

11287422 is an abundant number, since it is smaller than the sum of its proper divisors (14607954).

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

11287422 is a wasteful number, since it uses less digits than its factorization.

11287422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36912 (or 36909 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 11287422 is about 3359.6758772239. The cubic root of 11287422 is about 224.3184114346.

It can be divided in two parts, 112874 and 22, that added together give a square (112896 = 336²).

The spelling of 11287422 in words is "eleven million, two hundred eighty-seven thousand, four hundred twenty-two".