22022444220224 has 56 divisors (see below), whose sum is σ = 49944262263168. Its totient is φ = 9438094978560.

The previous prime is 22022444220181. The next prime is 22022444220269. The reversal of 22022444220224 is 42202244422022.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×22022444220224² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60901394 + ... + 61261934.

It is an arithmetic number, because the mean of its divisors is an integer number (891861826128).

Almost surely, 2^{22022444220224} is an apocalyptic number.

It is an amenable number.

22022444220224 is an abundant number, since it is smaller than the sum of its proper divisors (27921818042944).

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

22022444220224 is a wasteful number, since it uses less digits than its factorization.

22022444220224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496903 (or 496893 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 22022444220224 its reverse (42202244422022), we get a palindrome (64224688642246).

The spelling of 22022444220224 in words is "twenty-two trillion, twenty-two billion, four hundred forty-four million, two hundred twenty thousand, two hundred twenty-four".