22440404442222 has 36 divisors (see below), whose sum is σ = 52648641198504. Its totient is φ = 6904739827440.

The previous prime is 22440404442193. The next prime is 22440404442229. The reversal of 22440404442222 is 22224440404422.

22440404442222 is a `hidden beast` number, since 2 + 24 + 4 + 0 + 404 + 4 + 4 + 2 + 222 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22440404442229) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3688426354 + ... + 3688432437.

It is an arithmetic number, because the mean of its divisors is an integer number (1462462255514).

Almost surely, 2^{22440404442222} is an apocalyptic number.

22440404442222 is an abundant number, since it is smaller than the sum of its proper divisors (30208236756282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22440404442222 is a wasteful number, since it uses less digits than its factorization.

22440404442222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7376858825 (or 7376858809 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 22440404442222 its reverse (22224440404422), we get a palindrome (44664844846644).

The spelling of 22440404442222 in words is "twenty-two trillion, four hundred forty billion, four hundred four million, four hundred forty-two thousand, two hundred twenty-two".