22133147 has 8 divisors (see below), whose sum is σ = 22380336. Its totient is φ = 21887712.

The previous prime is 22133129. The next prime is 22133173. The reversal of 22133147 is 74133122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22133147 is a prime.

It is a super-2 number, since 2×22133147² = 979752392247218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22133647) 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, 55553 + ... + 55949.

It is an arithmetic number, because the mean of its divisors is an integer number (2797542).

Almost surely, 2^22133147 is an apocalyptic number.

22133147 is a deficient number, since it is larger than the sum of its proper divisors (247189).

22133147 is a wasteful number, since it uses less digits than its factorization.

22133147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877.

The product of its digits is 1008, while the sum is 23.

The square root of 22133147 is about 4704.5878671782. The cubic root of 22133147 is about 280.7680739765.

Adding to 22133147 its reverse (74133122), we get a palindrome (96266269).

The spelling of 22133147 in words is "twenty-two million, one hundred thirty-three thousand, one hundred forty-seven".