22001312820284 has 24 divisors (see below), whose sum is σ = 44021294684640. Its totient is φ = 9425133556416.

The previous prime is 22001312820241. The next prime is 22001312820317. The reversal of 22001312820284 is 48202821310022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166620719 + ... + 166752710.

It is an arithmetic number, because the mean of its divisors is an integer number (1834220611860).

Almost surely, 2^{22001312820284} is an apocalyptic number.

It is an amenable number.

22001312820284 is an abundant number, since it is smaller than the sum of its proper divisors (22019981864356).

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

22001312820284 is a wasteful number, since it uses less digits than its factorization.

22001312820284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333375797 (or 333375795 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The spelling of 22001312820284 in words is "twenty-two trillion, one billion, three hundred twelve million, eight hundred twenty thousand, two hundred eighty-four".