22321223430 has 64 divisors (see below), whose sum is σ = 58470287616. Its totient is φ = 5408496000.

The previous prime is 22321223429. The next prime is 22321223443. The reversal of 22321223430 is 3432212322.

It is a super-3 number, since 3×22321223430³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22321223430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 687360 + ... + 719100.

It is an arithmetic number, because the mean of its divisors is an integer number (913598244).

Almost surely, 2^22321223430 is an apocalyptic number.

22321223430 is an abundant number, since it is smaller than the sum of its proper divisors (36149064186).

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

22321223430 is a wasteful number, since it uses less digits than its factorization.

22321223430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33893.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22321223430 its reverse (3432212322), we get a palindrome (25753435752).

It can be divided in two parts, 223212 and 23430, that added together give a palindrome (246642).

The spelling of 22321223430 in words is "twenty-two billion, three hundred twenty-one million, two hundred twenty-three thousand, four hundred thirty".