2220000022201 has 8 divisors (see below), whose sum is σ = 2390785624584. Its totient is φ = 2049216758400.

The previous prime is 2220000022169. The next prime is 2220000022223. The reversal of 2220000022201 is 1022200000222.

It can be written as a sum of positive squares in 4 ways, for example, as 78823370025 + 2141176652176 = 280755^2 + 1463276^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2220000022201 - 2⁵ = 2220000022169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220000022241) 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, 1724901 + ... + 2723101.

It is an arithmetic number, because the mean of its divisors is an integer number (298848203073).

Almost surely, 2^{2220000022201} is an apocalyptic number.

It is an amenable number.

2220000022201 is a deficient number, since it is larger than the sum of its proper divisors (170785602383).

2220000022201 is a wasteful number, since it uses less digits than its factorization.

2220000022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169291.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2220000022201 its reverse (1022200000222), we get a palindrome (3242200022423).

The spelling of 2220000022201 in words is "two trillion, two hundred twenty billion, twenty-two thousand, two hundred one".