22201001023 has 4 divisors (see below), whose sum is σ = 22282923808. Its totient is φ = 22119078240.

The previous prime is 22201001021. The next prime is 22201001083. The reversal of 22201001023 is 32010010222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32010010222 = 2 ⋅16005005111.

It is a cyclic number.

It is not a de Polignac number, because 22201001023 - 2¹ = 22201001021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22201000994 and 22201001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201001021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40960986 + ... + 40961527.

It is an arithmetic number, because the mean of its divisors is an integer number (5570730952).

Almost surely, 2^22201001023 is an apocalyptic number.

22201001023 is a deficient number, since it is larger than the sum of its proper divisors (81922785).

22201001023 is an equidigital number, since it uses as much as digits as its factorization.

22201001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81922784.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22201001023 its reverse (32010010222), we get a palindrome (54211011245).

The spelling of 22201001023 in words is "twenty-two billion, two hundred one million, one thousand, twenty-three".