11214522 has 72 divisors (see below), whose sum is σ = 28217280. Its totient is φ = 3207600.

The previous prime is 11214499. The next prime is 11214559. The reversal of 11214522 is 22541211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11214495 and 11214504.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41247 + ... + 41517.

Almost surely, 2^11214522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11214522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14108640).

11214522 is an abundant number, since it is smaller than the sum of its proper divisors (17002758).

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

11214522 is a wasteful number, since it uses less digits than its factorization.

11214522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 306 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 11214522 is about 3348.8090420327. The cubic root of 11214522 is about 223.8344466572.

Adding to 11214522 its reverse (22541211), we get a palindrome (33755733).

The spelling of 11214522 in words is "eleven million, two hundred fourteen thousand, five hundred twenty-two".