222111111222022 has 16 divisors (see below), whose sum is σ = 369614792174400. Its totient is φ = 99248416416040.

The previous prime is 222111111222017. The next prime is 222111111222029. The reversal of 222111111222022 is 220222111111222.

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 = 222111111221984 and 222111111222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222111111222029) 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, 85558978372 + ... + 85558980967.

It is an arithmetic number, because the mean of its divisors is an integer number (23100924510900).

Almost surely, 2^{222111111222022} is an apocalyptic number.

222111111222022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222111111222022 is a deficient number, since it is larger than the sum of its proper divisors (147503680952378).

222111111222022 is a wasteful number, since it uses less digits than its factorization.

222111111222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171117959411.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 222111111222022 its reverse (220222111111222), we get a palindrome (442333222333244).

The spelling of 222111111222022 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred eleven million, two hundred twenty-two thousand, twenty-two".