22142140400000 has 96 divisors (see below), whose sum is σ = 55135591252560. Its totient is φ = 8856856000000.

The previous prime is 22142140399997. The next prime is 22142140400057. The reversal of 22142140400000 is 404124122.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 27277676 + ... + 28077675.

Almost surely, 2^{22142140400000} is an apocalyptic number.

22142140400000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22142140400000 is an abundant number, since it is smaller than the sum of its proper divisors (32993450852560).

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

22142140400000 is an frugal number, since it uses more digits than its factorization.

22142140400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55355390 (or 55355358 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22142140400000 its reverse (404124122), we get a palindrome (22142544524122).

The spelling of 22142140400000 in words is "twenty-two trillion, one hundred forty-two billion, one hundred forty million, four hundred thousand".