22742433 has 24 divisors (see below), whose sum is σ = 37672128. Its totient is φ = 12951072.

The previous prime is 22742393. The next prime is 22742443. The reversal of 22742433 is 33424722.

22742433 is a `hidden beast` number, since 227 + 4 + 2 + 433 = 666.

It is not a de Polignac number, because 22742433 - 2¹⁰ = 22741409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22742397 and 22742406.

It is not an unprimeable number, because it can be changed into a prime (22742443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29035 + ... + 29807.

It is an arithmetic number, because the mean of its divisors is an integer number (1569672).

Almost surely, 2^22742433 is an apocalyptic number.

It is an amenable number.

22742433 is a deficient number, since it is larger than the sum of its proper divisors (14929695).

22742433 is a wasteful number, since it uses less digits than its factorization.

22742433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1250 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 22742433 is about 4768.9027039771. The cubic root of 22742433 is about 283.3211361147.

The spelling of 22742433 in words is "twenty-two million, seven hundred forty-two thousand, four hundred thirty-three".