222200001021 has 8 divisors (see below), whose sum is σ = 304273875424. Its totient is φ = 144129730320.

The previous prime is 222200001019. The next prime is 222200001031. The reversal of 222200001021 is 120100002222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222200001021 - 2¹ = 222200001019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222200000988 and 222200001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222200001031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000900795 + ... + 1000901016.

It is an arithmetic number, because the mean of its divisors is an integer number (38034234428).

Almost surely, 2^222200001021 is an apocalyptic number.

It is an amenable number.

222200001021 is a deficient number, since it is larger than the sum of its proper divisors (82073874403).

222200001021 is a wasteful number, since it uses less digits than its factorization.

222200001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001801851.

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

Adding to 222200001021 its reverse (120100002222), we get a palindrome (342300003243).

The spelling of 222200001021 in words is "two hundred twenty-two billion, two hundred million, one thousand, twenty-one".