11222868 has 24 divisors (see below), whose sum is σ = 27032320. Its totient is φ = 3620160.

The previous prime is 11222867. The next prime is 11222917. The reversal of 11222868 is 86822211.

It is a super-2 number, since 2×11222868² = 251905532290848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14713 + ... + 15456.

Almost surely, 2^11222868 is an apocalyptic number.

It is an amenable number.

11222868 is an abundant number, since it is smaller than the sum of its proper divisors (15809452).

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

11222868 is a wasteful number, since it uses less digits than its factorization.

11222868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30207 (or 30205 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 11222868 is about 3350.0549249229. The cubic root of 11222868 is about 223.8899597695.

It can be divided in two parts, 11222 and 868, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 11222868 in words is "eleven million, two hundred twenty-two thousand, eight hundred sixty-eight".