222111001022022 has 384 divisors, whose sum is σ = 591109497538560. Its totient is φ = 61603633728000.

The previous prime is 222111001021991. The next prime is 222111001022039. The reversal of 222111001022022 is 220220100111222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222111001021986 and 222111001022004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 19636719747 + ... + 19636731057.

It is an arithmetic number, because the mean of its divisors is an integer number (1539347649840).

Almost surely, 2^{222111001022022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222111001022022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295554748769280).

222111001022022 is an abundant number, since it is smaller than the sum of its proper divisors (368998496516538).

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

222111001022022 is a wasteful number, since it uses less digits than its factorization.

222111001022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12265 (or 12252 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222111001022022 its reverse (220220100111222), we get a palindrome (442331101133244).

The spelling of 222111001022022 in words is "two hundred twenty-two trillion, one hundred eleven billion, one million, twenty-two thousand, twenty-two".