22144150054340 has 48 divisors (see below), whose sum is σ = 49425386516352. Its totient is φ = 8304922983936.

The previous prime is 22144150054309. The next prime is 22144150054363. The reversal of 22144150054340 is 4345005144122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22144150054340.

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, 123731594 + ... + 123910433.

It is an arithmetic number, because the mean of its divisors is an integer number (1029695552424).

Almost surely, 2^{22144150054340} is an apocalyptic number.

22144150054340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22144150054340 is an abundant number, since it is smaller than the sum of its proper divisors (27281236462012).

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

22144150054340 is a wasteful number, since it uses less digits than its factorization.

22144150054340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247642316 (or 247642314 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 22144150054340 its reverse (4345005144122), we get a palindrome (26489155198462).

The spelling of 22144150054340 in words is "twenty-two trillion, one hundred forty-four billion, one hundred fifty million, fifty-four thousand, three hundred forty".