22202204222644 has 12 divisors (see below), whose sum is σ = 38892212636004. Its totient is φ = 11090143469504.

The previous prime is 22202204222629. The next prime is 22202204222651. The reversal of 22202204222644 is 44622240220222.

It can be written as a sum of positive squares in 2 ways, for example, as 861610932900 + 21340593289744 = 928230^2 + 4619588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2739655897 + ... + 2739664000.

It is an arithmetic number, because the mean of its divisors is an integer number (3241017719667).

Almost surely, 2^{22202204222644} is an apocalyptic number.

It is an amenable number.

22202204222644 is a deficient number, since it is larger than the sum of its proper divisors (16690008413360).

22202204222644 is a wasteful number, since it uses less digits than its factorization.

22202204222644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479320914 (or 5479320912 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 22202204222644 its reverse (44622240220222), we get a palindrome (66824444442866).

The spelling of 22202204222644 in words is "twenty-two trillion, two hundred two billion, two hundred four million, two hundred twenty-two thousand, six hundred forty-four".