222220211220000 has 720 divisors, whose sum is σ = 902698347462912. Its totient is φ = 50780943360000.

The previous prime is 222220211219957. The next prime is 222220211220017. The reversal of 222220211220000 is 22112022222.

222220211220000 is a `hidden beast` number, since 222 + 220 + 2 + 1 + 1 + 220 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×222220211220000² (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 an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5867801065 + ... + 5867838935.

Almost surely, 2^{222220211220000} is an apocalyptic number.

222220211220000 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 222220211220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451349173731456).

222220211220000 is an abundant number, since it is smaller than the sum of its proper divisors (680478136242912).

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

222220211220000 is a wasteful number, since it uses less digits than its factorization.

222220211220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42571 (or 42545 counting only the distinct ones).

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

Adding to 222220211220000 its reverse (22112022222), we get a palindrome (222242323242222).

The spelling of 222220211220000 in words is "two hundred twenty-two trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty thousand".