22313332 has 12 divisors (see below), whose sum is σ = 39105220. Its totient is φ = 11140416.

The previous prime is 22313321. The next prime is 22313339. The reversal of 22313332 is 23331322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17673616 + 4639716 = 4204^2 + 2154^2 .

It is a super-3 number, since 3×22313332³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657 + ... + 6712.

Almost surely, 2^22313332 is an apocalyptic number.

It is an amenable number.

22313332 is a deficient number, since it is larger than the sum of its proper divisors (16791888).

22313332 is a wasteful number, since it uses less digits than its factorization.

22313332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130 (or 8128 counting only the distinct ones).

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

The square root of 22313332 is about 4723.6989743209. The cubic root of 22313332 is about 281.5279226740.

Adding to 22313332 its reverse (23331322), we get a palindrome (45644654).

The spelling of 22313332 in words is "twenty-two million, three hundred thirteen thousand, three hundred thirty-two".