22421634203 has 16 divisors (see below), whose sum is σ = 24961913856. Its totient is φ = 20031073920.

The previous prime is 22421634187. The next prime is 22421634217. The reversal of 22421634203 is 30243612422.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22421634203 - 2⁴ = 22421634187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22421634223) 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, 167651 + ... + 270092.

It is an arithmetic number, because the mean of its divisors is an integer number (1560119616).

Almost surely, 2^22421634203 is an apocalyptic number.

22421634203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22421634203 is a deficient number, since it is larger than the sum of its proper divisors (2540279653).

22421634203 is a wasteful number, since it uses less digits than its factorization.

22421634203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437914.

The product of its (nonzero) digits is 13824, while the sum is 29.

The spelling of 22421634203 in words is "twenty-two billion, four hundred twenty-one million, six hundred thirty-four thousand, two hundred three".