11022420 has 24 divisors (see below), whose sum is σ = 30862944. Its totient is φ = 2939296.

The previous prime is 11022397. The next prime is 11022437. The reversal of 11022420 is 2422011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11022396 and 11022405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91794 + ... + 91913.

It is an arithmetic number, because the mean of its divisors is an integer number (1285956).

Almost surely, 2^11022420 is an apocalyptic number.

11022420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022420 is an abundant number, since it is smaller than the sum of its proper divisors (19840524).

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

11022420 is a wasteful number, since it uses less digits than its factorization.

11022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183719 (or 183717 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 11022420 is about 3320.0030120468. The cubic root of 11022420 is about 222.5490023789.

Adding to 11022420 its reverse (2422011), we get a palindrome (13444431).

The spelling of 11022420 in words is "eleven million, twenty-two thousand, four hundred twenty".