22021202022 has 32 divisors (see below), whose sum is σ = 44485061760. Its totient is φ = 7266779520.

The previous prime is 22021201999. The next prime is 22021202023. The reversal of 22021202022 is 22020212022.

It is a junction number, because it is equal to n+sod(n) for n = 22021201992 and 22021202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021202023) 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, 563497 + ... + 601307.

It is an arithmetic number, because the mean of its divisors is an integer number (1390158180).

Almost surely, 2^22021202022 is an apocalyptic number.

22021202022 is an abundant number, since it is smaller than the sum of its proper divisors (22463859738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22021202022 is a wasteful number, since it uses less digits than its factorization.

22021202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38788.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22021202022 its reverse (22020212022), we get a palindrome (44041414044).

The spelling of 22021202022 in words is "twenty-two billion, twenty-one million, two hundred two thousand, twenty-two".