22250421002320 has 80 divisors (see below), whose sum is σ = 59203206645120. Its totient is φ = 7618308106752.

The previous prime is 22250421002309. The next prime is 22250421002321. The reversal of 22250421002320 is 2320012405222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250421002321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26692450 + ... + 27513409.

It is an arithmetic number, because the mean of its divisors is an integer number (740040083064).

Almost surely, 2^{22250421002320} is an apocalyptic number.

22250421002320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22250421002320 is an abundant number, since it is smaller than the sum of its proper divisors (36952785642800).

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

22250421002320 is a wasteful number, since it uses less digits than its factorization.

22250421002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54206612 (or 54206606 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22250421002320 its reverse (2320012405222), we get a palindrome (24570433407542).

The spelling of 22250421002320 in words is "twenty-two trillion, two hundred fifty billion, four hundred twenty-one million, two thousand, three hundred twenty".