22077133 has 4 divisors (see below), whose sum is σ = 23775388. Its totient is φ = 20378880.

The previous prime is 22077127. The next prime is 22077161. The reversal of 22077133 is 33177022.

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 3526884 + 18550249 = 1878^2 + 4307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22077133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22077098 and 22077107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22077163) 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, 849108 + ... + 849133.

It is an arithmetic number, because the mean of its divisors is an integer number (5943847).

Almost surely, 2^22077133 is an apocalyptic number.

It is an amenable number.

22077133 is a deficient number, since it is larger than the sum of its proper divisors (1698255).

22077133 is a wasteful number, since it uses less digits than its factorization.

22077133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698254.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 22077133 is about 4698.6309708254. The cubic root of 22077133 is about 280.5310203438.

The spelling of 22077133 in words is "twenty-two million, seventy-seven thousand, one hundred thirty-three".