22113202140 has 36 divisors (see below), whose sum is σ = 67076713704. Its totient is φ = 5896853856.

The previous prime is 22113202127. The next prime is 22113202159. The reversal of 22113202140 is 4120231122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61425382 + ... + 61425741.

Almost surely, 2^22113202140 is an apocalyptic number.

22113202140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22113202140 is an abundant number, since it is smaller than the sum of its proper divisors (44963511564).

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

22113202140 is a wasteful number, since it uses less digits than its factorization.

22113202140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122851138 (or 122851133 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22113202140 its reverse (4120231122), we get a palindrome (26233433262).

The spelling of 22113202140 in words is "twenty-two billion, one hundred thirteen million, two hundred two thousand, one hundred forty".