22241420 has 24 divisors (see below), whose sum is σ = 46838400. Its totient is φ = 8871552.

The previous prime is 22241413. The next prime is 22241441. The reversal of 22241420 is 2414222.

It is a happy number.

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, 6821 + ... + 9539.

It is an arithmetic number, because the mean of its divisors is an integer number (1951600).

Almost surely, 2^22241420 is an apocalyptic number.

22241420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22241420 is an abundant number, since it is smaller than the sum of its proper divisors (24596980).

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

22241420 is a wasteful number, since it uses less digits than its factorization.

22241420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137 (or 3135 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 22241420 is about 4716.0810001526. The cubic root of 22241420 is about 281.2251586290.

Adding to 22241420 its reverse (2414222), we get a palindrome (24655642).

It can be divided in two parts, 2 and 2241420, that added together give a palindrome (2241422).

The spelling of 22241420 in words is "twenty-two million, two hundred forty-one thousand, four hundred twenty".