22211131044 has 24 divisors (see below), whose sum is σ = 52002861120. Its totient is φ = 7378440544.

The previous prime is 22211131039. The next prime is 22211131097. The reversal of 22211131044 is 44013111222.

It is a self number, because there is not a number n which added to its sum of digits gives 22211131044.

It is an unprimeable number.

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, 3155064 + ... + 3162095.

It is an arithmetic number, because the mean of its divisors is an integer number (2166785880).

Almost surely, 2^22211131044 is an apocalyptic number.

It is an amenable number.

22211131044 is an abundant number, since it is smaller than the sum of its proper divisors (29791730076).

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

22211131044 is a wasteful number, since it uses less digits than its factorization.

22211131044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317459 (or 6317457 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22211131044 its reverse (44013111222), we get a palindrome (66224242266).

It can be divided in two parts, 2221 and 1131044, that added together give a triangular number (1133265 = T₁₅₀₅).

The spelling of 22211131044 in words is "twenty-two billion, two hundred eleven million, one hundred thirty-one thousand, forty-four".