22142533 has 8 divisors (see below), whose sum is σ = 25557120. Its totient is φ = 18790800.

The previous prime is 22142521. The next prime is 22142567. The reversal of 22142533 is 33524122.

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

It is not a de Polignac number, because 22142533 - 2¹⁷ = 22011461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142513) 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 7 ways as a sum of consecutive naturals, for example, 14953 + ... + 16366.

It is an arithmetic number, because the mean of its divisors is an integer number (3194640).

Almost surely, 2^22142533 is an apocalyptic number.

It is an amenable number.

22142533 is a deficient number, since it is larger than the sum of its proper divisors (3414587).

22142533 is a wasteful number, since it uses less digits than its factorization.

22142533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31427.

The product of its digits is 1440, while the sum is 22.

The square root of 22142533 is about 4705.5852983449. The cubic root of 22142533 is about 280.8077567912.

Adding to 22142533 its reverse (33524122), we get a palindrome (55666655).

The spelling of 22142533 in words is "twenty-two million, one hundred forty-two thousand, five hundred thirty-three".