222211000220220 has 288 divisors, whose sum is σ = 752596675294464. Its totient is φ = 52603978291200.

The previous prime is 222211000220201. The next prime is 222211000220227. The reversal of 222211000220220 is 22022000112222.

222211000220220 is a `hidden beast` number, since 2 + 2 + 221 + 1 + 0 + 0 + 0 + 220 + 220 = 666.

It is a super-2 number, since 2×222211000220220² (a number of 29 digits) contains 22 as substring.

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 = 222211000220193 and 222211000220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211000220227) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 358214644 + ... + 358834436.

It is an arithmetic number, because the mean of its divisors is an integer number (2613182900328).

Almost surely, 2^{222211000220220} is an apocalyptic number.

222211000220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222211000220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376298337647232).

222211000220220 is an abundant number, since it is smaller than the sum of its proper divisors (530385675074244).

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

222211000220220 is a wasteful number, since it uses less digits than its factorization.

222211000220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624073 (or 624068 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222211000220220 its reverse (22022000112222), we get a palindrome (244233000332442).

The spelling of 222211000220220 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred twenty thousand, two hundred twenty".