22220220023 has 8 divisors (see below), whose sum is σ = 22313926656. Its totient is φ = 22126555000.

The previous prime is 22220219963. The next prime is 22220220037. The reversal of 22220220023 is 32002202222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220220023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22220219983 and 22220220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220220623) 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, 1534688 + ... + 1549098.

It is an arithmetic number, because the mean of its divisors is an integer number (2789240832).

Almost surely, 2^22220220023 is an apocalyptic number.

22220220023 is a deficient number, since it is larger than the sum of its proper divisors (93706633).

22220220023 is a wasteful number, since it uses less digits than its factorization.

22220220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20805.

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 22220220023 its reverse (32002202222), we get a palindrome (54222422245).

The spelling of 22220220023 in words is "twenty-two billion, two hundred twenty million, two hundred twenty thousand, twenty-three".