22328071 has 4 divisors (see below), whose sum is σ = 22340752. Its totient is φ = 22315392.

The previous prime is 22328041. The next prime is 22328077. The reversal of 22328071 is 17082322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22328071 - 2⁵ = 22328039 is a prime.

It is a super-3 number, since 3×22328071³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22328077) 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, 3171 + ... + 7396.

It is an arithmetic number, because the mean of its divisors is an integer number (5585188).

Almost surely, 2^22328071 is an apocalyptic number.

22328071 is a deficient number, since it is larger than the sum of its proper divisors (12681).

22328071 is a wasteful number, since it uses less digits than its factorization.

22328071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12680.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 22328071 is about 4725.2588288897. The cubic root of 22328071 is about 281.5898964864.

The spelling of 22328071 in words is "twenty-two million, three hundred twenty-eight thousand, seventy-one".