22011022001384 has 24 divisors (see below), whose sum is σ = 44689538015910. Its totient is φ = 10158933230784.

The previous prime is 22011022001383. The next prime is 22011022001407. The reversal of 22011022001384 is 48310022011022.

It can be written as a sum of positive squares in 3 ways, for example, as 7837077072484 + 14173944928900 = 2799478^2 + 3764830^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (22011022001383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8140169507 + ... + 8140172210.

Almost surely, 2^{22011022001384} is an apocalyptic number.

It is an amenable number.

22011022001384 is an abundant number, since it is smaller than the sum of its proper divisors (22678516014526).

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

22011022001384 is a wasteful number, since it uses less digits than its factorization.

22011022001384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16280341749 (or 16280341732 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The spelling of 22011022001384 in words is "twenty-two trillion, eleven billion, twenty-two million, one thousand, three hundred eighty-four".