222122010221220 has 24 divisors (see below), whose sum is σ = 621941628619584. Its totient is φ = 59232536058976.

The previous prime is 222122010221207. The next prime is 222122010221227. The reversal of 222122010221220 is 22122010221222.

It is not an unprimeable number, because it can be changed into a prime (222122010221227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851016751784 + ... + 1851016751903.

It is an arithmetic number, because the mean of its divisors is an integer number (25914234525816).

Almost surely, 2^{222122010221220} is an apocalyptic number.

222122010221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222122010221220 is an abundant number, since it is smaller than the sum of its proper divisors (399819618398364).

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

222122010221220 is a wasteful number, since it uses less digits than its factorization.

222122010221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702033503699 (or 3702033503697 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222122010221220 its reverse (22122010221222), we get a palindrome (244244020442442).

The spelling of 222122010221220 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, ten million, two hundred twenty-one thousand, two hundred twenty".