22214504240 has 20 divisors (see below), whose sum is σ = 51648722544. Its totient is φ = 8885801664.

The previous prime is 22214504171. The next prime is 22214504243. The reversal of 22214504240 is 4240541222.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (22214504243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138840572 + ... + 138840731.

Almost surely, 2^22214504240 is an apocalyptic number.

22214504240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22214504240 is an abundant number, since it is smaller than the sum of its proper divisors (29434218304).

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

22214504240 is a wasteful number, since it uses less digits than its factorization.

22214504240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277681316 (or 277681310 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The spelling of 22214504240 in words is "twenty-two billion, two hundred fourteen million, five hundred four thousand, two hundred forty".