222126732 has 96 divisors (see below), whose sum is σ = 605122560. Its totient is φ = 70329600.

The previous prime is 222126727. The next prime is 222126769. The reversal of 222126732 is 237621222.

222126732 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 222126696 and 222126705.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 553732 + ... + 554132.

It is an arithmetic number, because the mean of its divisors is an integer number (6303360).

Almost surely, 2^222126732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222126732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302561280).

222126732 is an abundant number, since it is smaller than the sum of its proper divisors (382995828).

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

222126732 is a wasteful number, since it uses less digits than its factorization.

222126732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 652 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 222126732 is about 14903.9166664337. The cubic root of 222126732 is about 605.6200932229.

Adding to 222126732 its reverse (237621222), we get a palindrome (459747954).

The spelling of 222126732 in words is "two hundred twenty-two million, one hundred twenty-six thousand, seven hundred thirty-two".