22742733 has 8 divisors (see below), whose sum is σ = 32656288. Its totient is φ = 13995504.

The previous prime is 22742723. The next prime is 22742737. The reversal of 22742733 is 33724722.

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

It is not a de Polignac number, because 22742733 - 2¹⁰ = 22741709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22742733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22742737) 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, 291535 + ... + 291612.

It is an arithmetic number, because the mean of its divisors is an integer number (4082036).

Almost surely, 2^22742733 is an apocalyptic number.

It is an amenable number.

22742733 is a deficient number, since it is larger than the sum of its proper divisors (9913555).

22742733 is a wasteful number, since it uses less digits than its factorization.

22742733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583163.

The product of its digits is 14112, while the sum is 30.

The square root of 22742733 is about 4768.9341576499. The cubic root of 22742733 is about 283.3223818912.

The spelling of 22742733 in words is "twenty-two million, seven hundred forty-two thousand, seven hundred thirty-three".