22322128 has 20 divisors (see below), whose sum is σ = 43322500. Its totient is φ = 11142144.

The previous prime is 22322101. The next prime is 22322129. The reversal of 22322128 is 82122322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4276624 + 18045504 = 2068^2 + 4248^2 .

It is a super-3 number, since 3×22322128³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22322099 and 22322108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22322129) 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, 17248 + ... + 18496.

It is an arithmetic number, because the mean of its divisors is an integer number (2166125).

Almost surely, 2^22322128 is an apocalyptic number.

It is an amenable number.

22322128 is a deficient number, since it is larger than the sum of its proper divisors (21000372).

22322128 is a wasteful number, since it uses less digits than its factorization.

22322128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2368 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 22322128 is about 4724.6299325979. The cubic root of 22322128 is about 281.5649109387.

The spelling of 22322128 in words is "twenty-two million, three hundred twenty-two thousand, one hundred twenty-eight".