22077233 has 4 divisors (see below), whose sum is σ = 22209600. Its totient is φ = 21944868.

The previous prime is 22077193. The next prime is 22077241. The reversal of 22077233 is 33277022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22077233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22077283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65933 + ... + 66266.

It is an arithmetic number, because the mean of its divisors is an integer number (5552400).

Almost surely, 2^22077233 is an apocalyptic number.

It is an amenable number.

22077233 is a deficient number, since it is larger than the sum of its proper divisors (132367).

22077233 is a wasteful number, since it uses less digits than its factorization.

22077233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132366.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 22077233 is about 4698.6416122109. The cubic root of 22077233 is about 280.5314439052.

The spelling of 22077233 in words is "twenty-two million, seventy-seven thousand, two hundred thirty-three".