22211332 has 72 divisors (see below), whose sum is σ = 47960640. Its totient is φ = 8910720.

The previous prime is 22211327. The next prime is 22211339. The reversal of 22211332 is 23311222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215593 + ... + 215695.

It is an arithmetic number, because the mean of its divisors is an integer number (666120).

Almost surely, 2^22211332 is an apocalyptic number.

22211332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22211332 is an abundant number, since it is smaller than the sum of its proper divisors (25749308).

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

22211332 is a wasteful number, since it uses less digits than its factorization.

22211332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 158 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 22211332 is about 4712.8899838634. The cubic root of 22211332 is about 281.0982884173.

Adding to 22211332 its reverse (23311222), we get a palindrome (45522554).

It can be divided in two parts, 2221 and 1332, that added together give a palindrome (3553).

The spelling of 22211332 in words is "twenty-two million, two hundred eleven thousand, three hundred thirty-two".