221224334030 has 64 divisors (see below), whose sum is σ = 459018731520. Its totient is φ = 75194469504.

The previous prime is 221224334027. The next prime is 221224334033. The reversal of 221224334030 is 30433422122.

It is an interprime number because it is at equal distance from previous prime (221224334027) and next prime (221224334033).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221224334033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12784064 + ... + 12801356.

It is an arithmetic number, because the mean of its divisors is an integer number (7172167680).

Almost surely, 2^221224334030 is an apocalyptic number.

221224334030 is an abundant number, since it is smaller than the sum of its proper divisors (237794397490).

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

221224334030 is a wasteful number, since it uses less digits than its factorization.

221224334030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18873.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 221224334030 its reverse (30433422122), we get a palindrome (251657756152).

The spelling of 221224334030 in words is "two hundred twenty-one billion, two hundred twenty-four million, three hundred thirty-four thousand, thirty".