22142433 has 8 divisors (see below), whose sum is σ = 29927968. Its totient is φ = 14559264.

The previous prime is 22142423. The next prime is 22142447. The reversal of 22142433 is 33424122.

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

It is not a de Polignac number, because 22142433 - 2⁹ = 22141921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22142413) 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, 50335 + ... + 50772.

It is an arithmetic number, because the mean of its divisors is an integer number (3740996).

Almost surely, 2^22142433 is an apocalyptic number.

It is an amenable number.

22142433 is a deficient number, since it is larger than the sum of its proper divisors (7785535).

22142433 is a wasteful number, since it uses less digits than its factorization.

22142433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101183.

The product of its digits is 1152, while the sum is 21.

The square root of 22142433 is about 4705.5746726622. The cubic root of 22142433 is about 280.8073340630.

Adding to 22142433 its reverse (33424122), we get a palindrome (55566555).

The spelling of 22142433 in words is "twenty-two million, one hundred forty-two thousand, four hundred thirty-three".