22115313420 has 48 divisors (see below), whose sum is σ = 61960979808. Its totient is φ = 5893788160.

The previous prime is 22115313419. The next prime is 22115313431. The reversal of 22115313420 is 2431351122.

It is a super-3 number, since 3×22115313420³ (a number of 32 digits) contains 333 as substring.

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, 14361 + ... + 210800.

It is an arithmetic number, because the mean of its divisors is an integer number (1290853746).

Almost surely, 2^22115313420 is an apocalyptic number.

22115313420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22115313420 is an abundant number, since it is smaller than the sum of its proper divisors (39845666388).

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

22115313420 is a wasteful number, since it uses less digits than its factorization.

22115313420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226810 (or 226808 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 22115313420 its reverse (2431351122), we get a palindrome (24546664542).

The spelling of 22115313420 in words is "twenty-two billion, one hundred fifteen million, three hundred thirteen thousand, four hundred twenty".