22201021023 has 16 divisors (see below), whose sum is σ = 29965345536. Its totient is φ = 14618776320.

The previous prime is 22201021019. The next prime is 22201021043. The reversal of 22201021023 is 32012010222.

It is a happy number.

It is not a de Polignac number, because 22201021023 - 2² = 22201021019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22201020993 and 22201021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201021043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1344111 + ... + 1360527.

It is an arithmetic number, because the mean of its divisors is an integer number (1872834096).

Almost surely, 2^22201021023 is an apocalyptic number.

22201021023 is a deficient number, since it is larger than the sum of its proper divisors (7764324513).

22201021023 is a wasteful number, since it uses less digits than its factorization.

22201021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21934.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22201021023 its reverse (32012010222), we get a palindrome (54213031245).

The spelling of 22201021023 in words is "twenty-two billion, two hundred one million, twenty-one thousand, twenty-three".