22320021444 has 48 divisors (see below), whose sum is σ = 59535522816. Its totient is φ = 6375492000.

The previous prime is 22320021439. The next prime is 22320021457. The reversal of 22320021444 is 44412002322.

It is a super-3 number, since 3×22320021444³ (a number of 32 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 311169 + ... + 376119.

It is an arithmetic number, because the mean of its divisors is an integer number (1240323392).

Almost surely, 2^22320021444 is an apocalyptic number.

It is an amenable number.

22320021444 is an abundant number, since it is smaller than the sum of its proper divisors (37215501372).

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

22320021444 is a wasteful number, since it uses less digits than its factorization.

22320021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69056 (or 69054 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22320021444 its reverse (44412002322), we get a palindrome (66732023766).

The spelling of 22320021444 in words is "twenty-two billion, three hundred twenty million, twenty-one thousand, four hundred forty-four".