22133332 has 12 divisors (see below), whose sum is σ = 41712916. Its totient is φ = 10215360.

The previous prime is 22133329. The next prime is 22133341. The reversal of 22133332 is 23333122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8561476 + 13571856 = 2926^2 + 3684^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212769 + ... + 212872.

Almost surely, 2^22133332 is an apocalyptic number.

It is an amenable number.

22133332 is a deficient number, since it is larger than the sum of its proper divisors (19579584).

22133332 is a wasteful number, since it uses less digits than its factorization.

22133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425658 (or 425656 counting only the distinct ones).

The product of its digits is 648, while the sum is 19.

The square root of 22133332 is about 4704.6075287956. The cubic root of 22133332 is about 280.7688562414.

Adding to 22133332 its reverse (23333122), we get a palindrome (45466454).

The spelling of 22133332 in words is "twenty-two million, one hundred thirty-three thousand, three hundred thirty-two".