22101332 has 24 divisors (see below), whose sum is σ = 44415840. Its totient is φ = 9516960.

The previous prime is 22101329. The next prime is 22101347. The reversal of 22101332 is 23310122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12383 + ... + 14054.

It is an arithmetic number, because the mean of its divisors is an integer number (1850660).

Almost surely, 2^22101332 is an apocalyptic number.

22101332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22101332 is an abundant number, since it is smaller than the sum of its proper divisors (22314508).

22101332 is a wasteful number, since it uses less digits than its factorization.

22101332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26471 (or 26469 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22101332 is about 4701.2053773474. The cubic root of 22101332 is about 280.6334806788.

Adding to 22101332 its reverse (23310122), we get a palindrome (45411454).

The spelling of 22101332 in words is "twenty-two million, one hundred one thousand, three hundred thirty-two".