22455733 has 4 divisors (see below), whose sum is σ = 22726368. Its totient is φ = 22185100.

The previous prime is 22455731. The next prime is 22455737. The reversal of 22455733 is 33755422.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33755422 = 2 ⋅16877711.

It is a cyclic number.

It is not a de Polignac number, because 22455733 - 2¹ = 22455731 is a prime.

It is a super-3 number, since 3×22455733³ (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22455695 and 22455704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22455731) 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, 135193 + ... + 135358.

It is an arithmetic number, because the mean of its divisors is an integer number (5681592).

Almost surely, 2^22455733 is an apocalyptic number.

It is an amenable number.

22455733 is a deficient number, since it is larger than the sum of its proper divisors (270635).

22455733 is an equidigital number, since it uses as much as digits as its factorization.

22455733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270634.

The product of its digits is 25200, while the sum is 31.

The square root of 22455733 is about 4738.7480414135. The cubic root of 22455733 is about 282.1255455947.

The spelling of 22455733 in words is "twenty-two million, four hundred fifty-five thousand, seven hundred thirty-three".