22751433 has 12 divisors (see below), whose sum is σ = 33665268. Its totient is φ = 14797440.

The previous prime is 22751401. The next prime is 22751441. The reversal of 22751433 is 33415722.

22751433 is a `hidden beast` number, since 227 + 5 + 1 + 433 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5212089 + 17539344 = 2283^2 + 4188^2 .

It is not a de Polignac number, because 22751433 - 2⁵ = 22751401 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22751397 and 22751406.

It is not an unprimeable number, because it can be changed into a prime (22751483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30460 + ... + 31197.

It is an arithmetic number, because the mean of its divisors is an integer number (2805439).

Almost surely, 2^22751433 is an apocalyptic number.

It is an amenable number.

22751433 is a deficient number, since it is larger than the sum of its proper divisors (10913835).

22751433 is a wasteful number, since it uses less digits than its factorization.

22751433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61704 (or 61701 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 22751433 is about 4769.8462239364. The cubic root of 22751433 is about 283.3585046457.

The spelling of 22751433 in words is "twenty-two million, seven hundred fifty-one thousand, four hundred thirty-three".