22014420 has 24 divisors (see below), whose sum is σ = 61640544. Its totient is φ = 5870496.

The previous prime is 22014401. The next prime is 22014431. The reversal of 22014420 is 2441022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22014420.

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, 183394 + ... + 183513.

It is an arithmetic number, because the mean of its divisors is an integer number (2568356).

Almost surely, 2^22014420 is an apocalyptic number.

22014420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22014420 is an abundant number, since it is smaller than the sum of its proper divisors (39626124).

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

22014420 is a wasteful number, since it uses less digits than its factorization.

22014420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366919 (or 366917 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 22014420 is about 4691.9526851834. The cubic root of 22014420 is about 280.2651400086.

Adding to 22014420 its reverse (2441022), we get a palindrome (24455442).

The spelling of 22014420 in words is "twenty-two million, fourteen thousand, four hundred twenty".