22334420 has 24 divisors (see below), whose sum is σ = 47029248. Its totient is φ = 8909600.

The previous prime is 22334407. The next prime is 22334441. The reversal of 22334420 is 2443322.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22334392 and 22334401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7325 + ... + 9915.

It is an arithmetic number, because the mean of its divisors is an integer number (1959552).

Almost surely, 2^22334420 is an apocalyptic number.

22334420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22334420 is an abundant number, since it is smaller than the sum of its proper divisors (24694828).

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

22334420 is a wasteful number, since it uses less digits than its factorization.

22334420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031 (or 3029 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 22334420 is about 4725.9305961895. The cubic root of 22334420 is about 281.6165840407.

Adding to 22334420 its reverse (2443322), we get a palindrome (24777742).

It can be divided in two parts, 223 and 34420, that added together give a palindrome (34643).

The spelling of 22334420 in words is "twenty-two million, three hundred thirty-four thousand, four hundred twenty".