22201021022 has 4 divisors (see below), whose sum is σ = 33301531536. Its totient is φ = 11100510510.

The previous prime is 22201021019. The next prime is 22201021043. The reversal of 22201021022 is 22012010222.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22201020988 and 22201021006.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5550255254 + ... + 5550255257.

It is an arithmetic number, because the mean of its divisors is an integer number (8325382884).

Almost surely, 2^22201021022 is an apocalyptic number.

22201021022 is a deficient number, since it is larger than the sum of its proper divisors (11100510514).

22201021022 is a wasteful number, since it uses less digits than its factorization.

22201021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100510513.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22201021022 its reverse (22012010222), we get a palindrome (44213031244).

The spelling of 22201021022 in words is "twenty-two billion, two hundred one million, twenty-one thousand, twenty-two".