22261433 has 4 divisors (see below), whose sum is σ = 22271268. Its totient is φ = 22251600.

The previous prime is 22261429. The next prime is 22261439. The reversal of 22261433 is 33416222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16096144 + 6165289 = 4012^2 + 2483^2 .

It is a cyclic number.

It is not a de Polignac number, because 22261433 - 2² = 22261429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22261399 and 22261408.

It is not an unprimeable number, because it can be changed into a prime (22261439) 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, 383 + ... + 6683.

It is an arithmetic number, because the mean of its divisors is an integer number (5567817).

Almost surely, 2^22261433 is an apocalyptic number.

It is an amenable number.

22261433 is a deficient number, since it is larger than the sum of its proper divisors (9835).

22261433 is an equidigital number, since it uses as much as digits as its factorization.

22261433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9834.

The product of its digits is 1728, while the sum is 23.

The square root of 22261433 is about 4718.2023059636. The cubic root of 22261433 is about 281.3094828591.

Adding to 22261433 its reverse (33416222), we get a palindrome (55677655).

The spelling of 22261433 in words is "twenty-two million, two hundred sixty-one thousand, four hundred thirty-three".