22512133 has 8 divisors (see below), whose sum is σ = 25792640. Its totient is φ = 19247760.

The previous prime is 22512053. The next prime is 22512143. The reversal of 22512133 is 33121522.

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

It is not a de Polignac number, because 22512133 - 2¹³ = 22503941 is a prime.

It is a super-2 number, since 2×22512133² = 1013592264419378, which contains 22 as substring.

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 22512133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22512143) 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, 873 + ... + 6766.

It is an arithmetic number, because the mean of its divisors is an integer number (3224080).

Almost surely, 2^22512133 is an apocalyptic number.

It is an amenable number.

22512133 is a deficient number, since it is larger than the sum of its proper divisors (3280507).

22512133 is an equidigital number, since it uses as much as digits as its factorization.

22512133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067.

The product of its digits is 360, while the sum is 19.

The square root of 22512133 is about 4744.6952483800. The cubic root of 22512133 is about 282.3615443908.

Adding to 22512133 its reverse (33121522), we get a palindrome (55633655).

The spelling of 22512133 in words is "twenty-two million, five hundred twelve thousand, one hundred thirty-three".