22142232522140 has 48 divisors (see below), whose sum is σ = 49676524867200. Its totient is φ = 8265505799232.

The previous prime is 22142232522127. The next prime is 22142232522199. The reversal of 22142232522140 is 4122523224122.

It is a super-2 number, since 2×22142232522140² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22142232522097 and 22142232522106.

It is a congruent number.

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, 434818070 + ... + 434868989.

It is an arithmetic number, because the mean of its divisors is an integer number (1034927601400).

Almost surely, 2^{22142232522140} is an apocalyptic number.

22142232522140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22142232522140 is an abundant number, since it is smaller than the sum of its proper divisors (27534292345060).

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

22142232522140 is a wasteful number, since it uses less digits than its factorization.

22142232522140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869687154 (or 869687152 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 22142232522140 its reverse (4122523224122), we get a palindrome (26264755746262).

The spelling of 22142232522140 in words is "twenty-two trillion, one hundred forty-two billion, two hundred thirty-two million, five hundred twenty-two thousand, one hundred forty".