22441424420 has 48 divisors (see below), whose sum is σ = 47407087728. Its totient is φ = 8923299840.

The previous prime is 22441424399. The next prime is 22441424437. The reversal of 22441424420 is 2442414422.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1479017764 + 20962406656 = 38458^2 + 144784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7378100 + ... + 7381140.

It is an arithmetic number, because the mean of its divisors is an integer number (987647661).

Almost surely, 2^22441424420 is an apocalyptic number.

22441424420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22441424420 is an abundant number, since it is smaller than the sum of its proper divisors (24965663308).

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

22441424420 is a wasteful number, since it uses less digits than its factorization.

22441424420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120 (or 5118 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 22441424420 its reverse (2442414422), we get a palindrome (24883838842).

The spelling of 22441424420 in words is "twenty-two billion, four hundred forty-one million, four hundred twenty-four thousand, four hundred twenty".