22332454221 has 16 divisors (see below), whose sum is σ = 37124080128. Its totient is φ = 11601274800.

The previous prime is 22332454189. The next prime is 22332454253. The reversal of 22332454221 is 12245423322.

It is an interprime number because it is at equal distance from previous prime (22332454189) and next prime (22332454253).

It is not a de Polignac number, because 22332454221 - 2⁵ = 22332454189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22332454421) 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, 48338415 + ... + 48338876.

It is an arithmetic number, because the mean of its divisors is an integer number (2320255008).

Almost surely, 2^22332454221 is an apocalyptic number.

22332454221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22332454221 is a deficient number, since it is larger than the sum of its proper divisors (14791625907).

22332454221 is a wasteful number, since it uses less digits than its factorization.

22332454221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96677312.

The product of its digits is 23040, while the sum is 30.

Adding to 22332454221 its reverse (12245423322), we get a palindrome (34577877543).

The spelling of 22332454221 in words is "twenty-two billion, three hundred thirty-two million, four hundred fifty-four thousand, two hundred twenty-one".