22751033 has 4 divisors (see below), whose sum is σ = 22869108. Its totient is φ = 22632960.

The previous prime is 22751021. The next prime is 22751039. The reversal of 22751033 is 33015722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14531344 + 8219689 = 3812^2 + 2867^2 .

It is a cyclic number.

It is not a de Polignac number, because 22751033 - 2⁴ = 22751017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22751039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58748 + ... + 59133.

It is an arithmetic number, because the mean of its divisors is an integer number (5717277).

Almost surely, 2^22751033 is an apocalyptic number.

It is an amenable number.

22751033 is a deficient number, since it is larger than the sum of its proper divisors (118075).

22751033 is a wasteful number, since it uses less digits than its factorization.

22751033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118074.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 22751033 is about 4769.8042936791. The cubic root of 22751033 is about 283.3568440314.

Adding to 22751033 its reverse (33015722), we get a palindrome (55766755).

The spelling of 22751033 in words is "twenty-two million, seven hundred fifty-one thousand, thirty-three".