22031023 has 8 divisors (see below), whose sum is σ = 25280640. Its totient is φ = 18807000.

The previous prime is 22031017. The next prime is 22031027. The reversal of 22031023 is 32013022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22031023 - 2⁹ = 22030511 is a prime.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 22030994 and 22031012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4513 + ... + 8026.

It is an arithmetic number, because the mean of its divisors is an integer number (3160080).

Almost surely, 2^22031023 is an apocalyptic number.

22031023 is a deficient number, since it is larger than the sum of its proper divisors (3249617).

22031023 is a wasteful number, since it uses less digits than its factorization.

22031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12797.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22031023 is about 4693.7216577040. The cubic root of 22031023 is about 280.3355797901.

Adding to 22031023 its reverse (32013022), we get a palindrome (54044045).

The spelling of 22031023 in words is "twenty-two million, thirty-one thousand, twenty-three".