22237217226 has 192 divisors, whose sum is σ = 62186342400. Its totient is φ = 5811051456.

The previous prime is 22237217201. The next prime is 22237217231. The reversal of 22237217226 is 62271273222.

It is a super-2 number, since 2×22237217226² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1868571 + ... + 1880433.

It is an arithmetic number, because the mean of its divisors is an integer number (323887200).

Almost surely, 2^22237217226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22237217226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31093171200).

22237217226 is an abundant number, since it is smaller than the sum of its proper divisors (39949125174).

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

22237217226 is a wasteful number, since it uses less digits than its factorization.

22237217226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11935 (or 11923 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The spelling of 22237217226 in words is "twenty-two billion, two hundred thirty-seven million, two hundred seventeen thousand, two hundred twenty-six".