22202131521401 has 32 divisors (see below), whose sum is σ = 25936791517728. Its totient is φ = 18816198082560.

The previous prime is 22202131521371. The next prime is 22202131521443. The reversal of 22202131521401 is 10412513120222.

It can be written as a sum of positive squares in 16 ways, for example, as 12730195843600 + 9471935677801 = 3567940^2 + 3077651^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202131521401 - 2¹⁴ = 22202131505017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22202131521301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85015841 + ... + 85276593.

It is an arithmetic number, because the mean of its divisors is an integer number (810524734929).

Almost surely, 2^{22202131521401} is an apocalyptic number.

It is an amenable number.

22202131521401 is a deficient number, since it is larger than the sum of its proper divisors (3734659996327).

22202131521401 is a wasteful number, since it uses less digits than its factorization.

22202131521401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270221.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 22202131521401 its reverse (10412513120222), we get a palindrome (32614644641623).

The spelling of 22202131521401 in words is "twenty-two trillion, two hundred two billion, one hundred thirty-one million, five hundred twenty-one thousand, four hundred one".