22311132 has 24 divisors (see below), whose sum is σ = 52214400. Its totient is φ = 7414896.

The previous prime is 22311131. The next prime is 22311161. The reversal of 22311132 is 23111322.

It is a super-3 number, since 3×22311132³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22311131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719 + ... + 6897.

It is an arithmetic number, because the mean of its divisors is an integer number (2175600).

Almost surely, 2^22311132 is an apocalyptic number.

It is an amenable number.

22311132 is an abundant number, since it is smaller than the sum of its proper divisors (29903268).

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

22311132 is a wasteful number, since it uses less digits than its factorization.

22311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5545 (or 5543 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 22311132 is about 4723.4661002277. The cubic root of 22311132 is about 281.5186698831.

Adding to 22311132 its reverse (23111322), we get a palindrome (45422454).

It can be divided in two parts, 2 and 2311132, that multiplied together give a palindrome (4622264).

The spelling of 22311132 in words is "twenty-two million, three hundred eleven thousand, one hundred thirty-two".