22220023 has 8 divisors (see below), whose sum is σ = 25427360. Its totient is φ = 19020960.

The previous prime is 22219999. The next prime is 22220027. The reversal of 22220023 is 32002222.

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

It is not a de Polignac number, because 22220023 - 2²¹ = 20122871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22219985 and 22220012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220027) 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, 5593 + ... + 8701.

It is an arithmetic number, because the mean of its divisors is an integer number (3178420).

Almost surely, 2^22220023 is an apocalyptic number.

22220023 is a deficient number, since it is larger than the sum of its proper divisors (3207337).

22220023 is a wasteful number, since it uses less digits than its factorization.

22220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 22220023 is about 4713.8119393968. The cubic root of 22220023 is about 281.1349469820.

Adding to 22220023 its reverse (32002222), we get a palindrome (54222245).

The spelling of 22220023 in words is "twenty-two million, two hundred twenty thousand, twenty-three".