22002402140 has 48 divisors (see below), whose sum is σ = 48415933440. Its totient is φ = 8383045440.

The previous prime is 22002402127. The next prime is 22002402151. The reversal of 22002402140 is 4120420022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9875 + ... + 210005.

It is an arithmetic number, because the mean of its divisors is an integer number (1008665280).

Almost surely, 2^22002402140 is an apocalyptic number.

22002402140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22002402140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24207966720).

22002402140 is an abundant number, since it is smaller than the sum of its proper divisors (26413531300).

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

22002402140 is a wasteful number, since it uses less digits than its factorization.

22002402140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200402 (or 200400 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22002402140 its reverse (4120420022), we get a palindrome (26122822162).

The spelling of 22002402140 in words is "twenty-two billion, two million, four hundred two thousand, one hundred forty".