22202002020001 has 4 divisors (see below), whose sum is σ = 22202426414404. Its totient is φ = 22201577625600.

The previous prime is 22202002019993. The next prime is 22202002020017. The reversal of 22202002020001 is 10002020020222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14470043210401 + 7731958809600 = 3803951^2 + 2780640^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202002020001 - 2³ = 22202002019993 is a prime.

It is a super-2 number, since 2×22202002020001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22202002020301) 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, 212118720 + ... + 212223361.

It is an arithmetic number, because the mean of its divisors is an integer number (5550606603601).

Almost surely, 2^{22202002020001} is an apocalyptic number.

It is an amenable number.

22202002020001 is a deficient number, since it is larger than the sum of its proper divisors (424394403).

22202002020001 is an equidigital number, since it uses as much as digits as its factorization.

22202002020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424394402.

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

Adding to 22202002020001 its reverse (10002020020222), we get a palindrome (32204022040223).

The spelling of 22202002020001 in words is "twenty-two trillion, two hundred two billion, two million, twenty thousand, one".