22378133 has 4 divisors (see below), whose sum is σ = 22495488. Its totient is φ = 22260780.

The previous prime is 22378127. The next prime is 22378141. The reversal of 22378133 is 33187322.

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 not a de Polignac number, because 22378133 - 2⁴ = 22378117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22378096 and 22378105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22308133) 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, 58391 + ... + 58772.

It is an arithmetic number, because the mean of its divisors is an integer number (5623872).

Almost surely, 2^22378133 is an apocalyptic number.

It is an amenable number.

22378133 is a deficient number, since it is larger than the sum of its proper divisors (117355).

22378133 is a wasteful number, since it uses less digits than its factorization.

22378133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117354.

The product of its digits is 6048, while the sum is 29.

The square root of 22378133 is about 4730.5531389046. The cubic root of 22378133 is about 281.8001912742.

The spelling of 22378133 in words is "twenty-two million, three hundred seventy-eight thousand, one hundred thirty-three".