22442420240420 has 24 divisors (see below), whose sum is σ = 47282597444544. Its totient is φ = 8947727155296.

The previous prime is 22442420240417. The next prime is 22442420240473. The reversal of 22442420240420 is 2404202424422.

It is a super-2 number, since 2×22442420240420² (a number of 28 digits) contains 22 as substring.

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, 1827552512 + ... + 1827564791.

It is an arithmetic number, because the mean of its divisors is an integer number (1970108226856).

Almost surely, 2^{22442420240420} is an apocalyptic number.

22442420240420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22442420240420 is an abundant number, since it is smaller than the sum of its proper divisors (24840177204124).

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

22442420240420 is a wasteful number, since it uses less digits than its factorization.

22442420240420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655117619 (or 3655117617 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 22442420240420 its reverse (2404202424422), we get a palindrome (24846622664842).

The spelling of 22442420240420 in words is "twenty-two trillion, four hundred forty-two billion, four hundred twenty million, two hundred forty thousand, four hundred twenty".