22423533 has 8 divisors (see below), whose sum is σ = 32616096. Its totient is φ = 13590000.

The previous prime is 22423469. The next prime is 22423537. The reversal of 22423533 is 33532422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22423533 - 2⁶ = 22423469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22423537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339718 + ... + 339783.

It is an arithmetic number, because the mean of its divisors is an integer number (4077012).

Almost surely, 2^22423533 is an apocalyptic number.

It is an amenable number.

22423533 is a deficient number, since it is larger than the sum of its proper divisors (10192563).

22423533 is a wasteful number, since it uses less digits than its factorization.

22423533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679515.

The product of its digits is 4320, while the sum is 24.

The square root of 22423533 is about 4735.3493007380. The cubic root of 22423533 is about 281.9906314477.

Adding to 22423533 its reverse (33532422), we get a palindrome (55955955).

Subtracting 22423533 from its reverse (33532422), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 2242 and 3533, that added together give a palindrome (5775).

The spelling of 22423533 in words is "twenty-two million, four hundred twenty-three thousand, five hundred thirty-three".