22421110140 has 144 divisors (see below), whose sum is σ = 79900775136. Its totient is φ = 5017305600.

The previous prime is 22421110139. The next prime is 22421110147. The reversal of 22421110140 is 4101112422.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421110147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 409791 + ... + 461270.

It is an arithmetic number, because the mean of its divisors is an integer number (554866494).

Almost surely, 2^22421110140 is an apocalyptic number.

22421110140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22421110140 is an abundant number, since it is smaller than the sum of its proper divisors (57479664996).

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

22421110140 is a wasteful number, since it uses less digits than its factorization.

22421110140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871100 (or 871095 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22421110140 its reverse (4101112422), we get a palindrome (26522222562).

The spelling of 22421110140 in words is "twenty-two billion, four hundred twenty-one million, one hundred ten thousand, one hundred forty".