22211020320 has 48 divisors (see below), whose sum is σ = 69964715520. Its totient is φ = 5922938624.

The previous prime is 22211020309. The next prime is 22211020331. The reversal of 22211020320 is 2302011222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22211020309) and next prime (22211020331).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22211020320.

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, 23136000 + ... + 23136959.

It is an arithmetic number, because the mean of its divisors is an integer number (1457598240).

Almost surely, 2^22211020320 is an apocalyptic number.

22211020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211020320 is an abundant number, since it is smaller than the sum of its proper divisors (47753695200).

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

22211020320 is a wasteful number, since it uses less digits than its factorization.

22211020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46272977 (or 46272969 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22211020320 its reverse (2302011222), we get a palindrome (24513031542).

The spelling of 22211020320 in words is "twenty-two billion, two hundred eleven million, twenty thousand, three hundred twenty".