2202222220001 has 4 divisors (see below), whose sum is σ = 2239548020400. Its totient is φ = 2164896419604.

The previous prime is 2202222219991. The next prime is 2202222220123. The reversal of 2202222220001 is 1000222222022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2202222220001 - 2²² = 2202218025697 is a prime.

It is a super-5 number, since 5×2202222220001⁵ (a number of 63 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202222222001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18662900111 + ... + 18662900228.

It is an arithmetic number, because the mean of its divisors is an integer number (559887005100).

Almost surely, 2^{2202222220001} is an apocalyptic number.

It is an amenable number.

2202222220001 is a deficient number, since it is larger than the sum of its proper divisors (37325800399).

2202222220001 is an equidigital number, since it uses as much as digits as its factorization.

2202222220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37325800398.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2202222220001 its reverse (1000222222022), we get a palindrome (3202444442023).

The spelling of 2202222220001 in words is "two trillion, two hundred two billion, two hundred twenty-two million, two hundred twenty thousand, one".