222101022 has 64 divisors (see below), whose sum is σ = 552593664. Its totient is φ = 58467840.

The previous prime is 222101017. The next prime is 222101023. The reversal of 222101022 is 220101222.

It is a junction number, because it is equal to n+sod(n) for n = 222100989 and 222101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6973 + ... + 22199.

It is an arithmetic number, because the mean of its divisors is an integer number (8634276).

Almost surely, 2^222101022 is an apocalyptic number.

222101022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222101022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276296832).

222101022 is an abundant number, since it is smaller than the sum of its proper divisors (330492642).

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

222101022 is a wasteful number, since it uses less digits than its factorization.

222101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15273.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 222101022 is about 14903.0541165226. The cubic root of 222101022 is about 605.5967265420.

Adding to 222101022 its reverse (220101222), we get a palindrome (442202244).

It can be divided in two parts, 22210 and 1022, that added together give a palindrome (23232).

The spelling of 222101022 in words is "two hundred twenty-two million, one hundred one thousand, twenty-two".