22364204420 has 24 divisors (see below), whose sum is σ = 46968039384. Its totient is φ = 8945070336.

The previous prime is 22364204389. The next prime is 22364204477. The reversal of 22364204420 is 2440246322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 440664064 + 21923540356 = 20992^2 + 148066^2 .

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, 365984 + ... + 422696.

It is an arithmetic number, because the mean of its divisors is an integer number (1957001641).

Almost surely, 2^22364204420 is an apocalyptic number.

22364204420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22364204420 is an abundant number, since it is smaller than the sum of its proper divisors (24603834964).

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

22364204420 is a wasteful number, since it uses less digits than its factorization.

22364204420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76439 (or 76437 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The spelling of 22364204420 in words is "twenty-two billion, three hundred sixty-four million, two hundred four thousand, four hundred twenty".