11005522 has 32 divisors (see below), whose sum is σ = 19206720. Its totient is φ = 4677120.

The previous prime is 11005513. The next prime is 11005531. The reversal of 11005522 is 22550011.

It is an interprime number because it is at equal distance from previous prime (11005513) and next prime (11005531).

It is a super-2 number, since 2×11005522² = 242243028984968, which contains 22 as substring.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11005496 and 11005505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47118 + ... + 47350.

It is an arithmetic number, because the mean of its divisors is an integer number (600210).

Almost surely, 2^11005522 is an apocalyptic number.

11005522 is a deficient number, since it is larger than the sum of its proper divisors (8201198).

11005522 is a wasteful number, since it uses less digits than its factorization.

11005522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 11005522 is about 3317.4571587287. The cubic root of 11005522 is about 222.4352174316.

Adding to 11005522 its reverse (22550011), we get a palindrome (33555533).

The spelling of 11005522 in words is "eleven million, five thousand, five hundred twenty-two".