222212022021000 has 768 divisors, whose sum is σ = 867733067934720. Its totient is φ = 50690304000000.

The previous prime is 222212022020981. The next prime is 222212022021037. The reversal of 222212022021000 is 120220212222.

222212022021000 is a `hidden beast` number, since 2 + 22 + 212 + 0 + 220 + 210 + 0 + 0 = 666.

It is a super-2 number, since 2×222212022021000² (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 191 ways as a sum of consecutive naturals, for example, 10581010500 + ... + 10581031500.

It is an arithmetic number, because the mean of its divisors is an integer number (1129860765540).

Almost surely, 2^{222212022021000} is an apocalyptic number.

222212022021000 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 222212022021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433866533967360).

222212022021000 is an abundant number, since it is smaller than the sum of its proper divisors (645521045913720).

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

222212022021000 is a wasteful number, since it uses less digits than its factorization.

222212022021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27343 (or 27326 counting only the distinct ones).

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

Adding to 222212022021000 its reverse (120220212222), we get a palindrome (222332242233222).

The spelling of 222212022021000 in words is "two hundred twenty-two trillion, two hundred twelve billion, twenty-two million, twenty-one thousand".