226272422772 has 288 divisors, whose sum is σ = 691629539328. Its totient is φ = 61568640000.

The previous prime is 226272422771. The next prime is 226272422807. The reversal of 226272422772 is 277224272622.

It is a super-2 number, since 2×226272422772² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226272422771) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14809497 + ... + 14824767.

It is an arithmetic number, because the mean of its divisors is an integer number (2401491456).

Almost surely, 2^226272422772 is an apocalyptic number.

226272422772 is a gapful number since it is divisible by the number (22) 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 226272422772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345814769664).

226272422772 is an abundant number, since it is smaller than the sum of its proper divisors (465357116556).

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

226272422772 is a wasteful number, since it uses less digits than its factorization.

226272422772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15411 (or 15406 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 45.

The spelling of 226272422772 in words is "two hundred twenty-six billion, two hundred seventy-two million, four hundred twenty-two thousand, seven hundred seventy-two".