222222122112022 has 4 divisors (see below), whose sum is σ = 333333183168036. Its totient is φ = 111111061056010.

The previous prime is 222222122111999. The next prime is 222222122112073. The reversal of 222222122112022 is 220211221222222.

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

It is a super-2 number, since 2×222222122112022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555530528004 + ... + 55555530528007.

It is an arithmetic number, because the mean of its divisors is an integer number (83333295792009).

Almost surely, 2^{222222122112022} is an apocalyptic number.

222222122112022 is a deficient number, since it is larger than the sum of its proper divisors (111111061056014).

222222122112022 is a wasteful number, since it uses less digits than its factorization.

222222122112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111111061056013.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 222222122112022 its reverse (220211221222222), we get a palindrome (442433343334244).

The spelling of 222222122112022 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, twenty-two".