2122200401 has 8 divisors (see below), whose sum is σ = 2173455720. Its totient is φ = 2071360512.

The previous prime is 2122200397. The next prime is 2122200403. The reversal of 2122200401 is 1040022212.

It can be written as a sum of positive squares in 4 ways, for example, as 463756225 + 1658444176 = 21535^2 + 40724^2 .

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 2122200401 - 2² = 2122200397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122200403) 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, 93506 + ... + 113963.

It is an arithmetic number, because the mean of its divisors is an integer number (271681965).

Almost surely, 2^2122200401 is an apocalyptic number.

It is an amenable number.

2122200401 is a deficient number, since it is larger than the sum of its proper divisors (51255319).

2122200401 is a wasteful number, since it uses less digits than its factorization.

2122200401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207715.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2122200401 is about 46067.3463637749. The cubic root of 2122200401 is about 1285.0759544701.

Adding to 2122200401 its reverse (1040022212), we get a palindrome (3162222613).

The spelling of 2122200401 in words is "two billion, one hundred twenty-two million, two hundred thousand, four hundred one".