22312433 has 16 divisors (see below), whose sum is σ = 26347776. Its totient is φ = 18627840.

The previous prime is 22312421. The next prime is 22312469. The reversal of 22312433 is 33421322.

It is not a de Polignac number, because 22312433 - 2¹⁸ = 22050289 is a prime.

It is a super-3 number, since 3×22312433³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22312333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47960 + ... + 48422.

It is an arithmetic number, because the mean of its divisors is an integer number (1646736).

Almost surely, 2^22312433 is an apocalyptic number.

It is an amenable number.

22312433 is a deficient number, since it is larger than the sum of its proper divisors (4035343).

22312433 is a wasteful number, since it uses less digits than its factorization.

22312433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its digits is 864, while the sum is 20.

The square root of 22312433 is about 4723.6038148854. The cubic root of 22312433 is about 281.5241417207.

Adding to 22312433 its reverse (33421322), we get a palindrome (55733755).

Subtracting 22312433 from its reverse (33421322), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 2231 and 2433, that added together give a palindrome (4664).

The spelling of 22312433 in words is "twenty-two million, three hundred twelve thousand, four hundred thirty-three".