23140022 has 8 divisors (see below), whose sum is σ = 35648256. Its totient is φ = 11257272.

The previous prime is 23140003. The next prime is 23140037. The reversal of 23140022 is 22004132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23139979 and 23140006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156278 + ... + 156425.

It is an arithmetic number, because the mean of its divisors is an integer number (4456032).

Almost surely, 2^23140022 is an apocalyptic number.

23140022 is a deficient number, since it is larger than the sum of its proper divisors (12508234).

23140022 is a wasteful number, since it uses less digits than its factorization.

23140022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312742.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23140022 is about 4810.4076750313. The cubic root of 23140022 is about 284.9626379667.

Adding to 23140022 its reverse (22004132), we get a palindrome (45144154).

The spelling of 23140022 in words is "twenty-three million, one hundred forty thousand, twenty-two".