22421111421340 has 48 divisors (see below), whose sum is σ = 49952712499200. Its totient is φ = 8429520197952.

The previous prime is 22421111421229. The next prime is 22421111421347. The reversal of 22421111421340 is 4312411112422.

It is a junction number, because it is equal to n+sod(n) for n = 22421111421299 and 22421111421308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421111421347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232246720 + ... + 232343239.

It is an arithmetic number, because the mean of its divisors is an integer number (1040681510400).

Almost surely, 2^{22421111421340} is an apocalyptic number.

22421111421340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22421111421340 is an abundant number, since it is smaller than the sum of its proper divisors (27531601077860).

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

22421111421340 is a wasteful number, since it uses less digits than its factorization.

22421111421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464590114 (or 464590112 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 22421111421340 its reverse (4312411112422), we get a palindrome (26733522533762).

The spelling of 22421111421340 in words is "twenty-two trillion, four hundred twenty-one billion, one hundred eleven million, four hundred twenty-one thousand, three hundred forty".