22221011422104 has 256 divisors, whose sum is σ = 64502246592000. Its totient is φ = 6315154944000.

The previous prime is 22221011422087. The next prime is 22221011422121. The reversal of 22221011422104 is 40122411012222.

It is an interprime number because it is at equal distance from previous prime (22221011422087) and next prime (22221011422121).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71727619 + ... + 72036749.

It is an arithmetic number, because the mean of its divisors is an integer number (251961900750).

Almost surely, 2^{22221011422104} is an apocalyptic number.

22221011422104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22221011422104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32251123296000).

22221011422104 is an abundant number, since it is smaller than the sum of its proper divisors (42281235169896).

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

22221011422104 is a wasteful number, since it uses less digits than its factorization.

22221011422104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309450 (or 309446 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 22221011422104 its reverse (40122411012222), we get a palindrome (62343422434326).

The spelling of 22221011422104 in words is "twenty-two trillion, two hundred twenty-one billion, eleven million, four hundred twenty-two thousand, one hundred four".