222222021021022 has 16 divisors (see below), whose sum is σ = 379446296764032. Its totient is φ = 96618270008920.

The previous prime is 222222021020983. The next prime is 222222021021023. The reversal of 222222021021022 is 220120120222222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 222222021020984 and 222222021021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222021021023) 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, 219586976788 + ... + 219586977799.

It is an arithmetic number, because the mean of its divisors is an integer number (23715393547752).

Almost surely, 2^{222222021021022} is an apocalyptic number.

222222021021022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222222021021022 is a deficient number, since it is larger than the sum of its proper divisors (157224275743010).

222222021021022 is a wasteful number, since it uses less digits than its factorization.

222222021021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439173954623.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222222021021022 its reverse (220120120222222), we get a palindrome (442342141243244).

The spelling of 222222021021022 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty-one million, twenty-one thousand, twenty-two".