11622220 has 24 divisors (see below), whose sum is σ = 25843104. Its totient is φ = 4375296.

The previous prime is 11622217. The next prime is 11622223. The reversal of 11622220 is 2222611.

11622220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11622217) and next prime (11622223).

It is a junction number, because it is equal to n+sod(n) for n = 11622194 and 11622203.

It is not an unprimeable number, because it can be changed into a prime (11622223) 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, 16752 + ... + 17431.

It is an arithmetic number, because the mean of its divisors is an integer number (1076796).

Almost surely, 2^11622220 is an apocalyptic number.

11622220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11622220 is an abundant number, since it is smaller than the sum of its proper divisors (14220884).

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

11622220 is a wasteful number, since it uses less digits than its factorization.

11622220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34209 (or 34207 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 11622220 is about 3409.1377208907. The cubic root of 11622220 is about 226.5146857006.

Adding to 11622220 its reverse (2222611), we get a palindrome (13844831).

The spelling of 11622220 in words is "eleven million, six hundred twenty-two thousand, two hundred twenty".