11422420 has 24 divisors (see below), whose sum is σ = 25250400. Its totient is φ = 4328352.

The previous prime is 11422387. The next prime is 11422423. The reversal of 11422420 is 2422411.

11422420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11422394 and 11422403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422423) 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, 14650 + ... + 15409.

It is an arithmetic number, because the mean of its divisors is an integer number (1052100).

Almost surely, 2^11422420 is an apocalyptic number.

11422420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11422420 is an abundant number, since it is smaller than the sum of its proper divisors (13827980).

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

11422420 is a wasteful number, since it uses less digits than its factorization.

11422420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30087 (or 30085 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 11422420 is about 3379.7070878998. The cubic root of 11422420 is about 225.2091553076.

Adding to 11422420 its reverse (2422411), we get a palindrome (13844831).

Subtracting from 11422420 its reverse (2422411), we obtain a palindrome (9000009).

It can be divided in two parts, 114224 and 20, that added together give a square (114244 = 338²).

The spelling of 11422420 in words is "eleven million, four hundred twenty-two thousand, four hundred twenty".