22044444051 has 32 divisors (see below), whose sum is σ = 36098403840. Its totient is φ = 11678870016.

The previous prime is 22044444049. The next prime is 22044444073. The reversal of 22044444051 is 15044444022.

It is not a de Polignac number, because 22044444051 - 2¹ = 22044444049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22044444011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436896 + ... + 484733.

It is an arithmetic number, because the mean of its divisors is an integer number (1128075120).

Almost surely, 2^22044444051 is an apocalyptic number.

22044444051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22044444051 is a deficient number, since it is larger than the sum of its proper divisors (14053959789).

22044444051 is a wasteful number, since it uses less digits than its factorization.

22044444051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921723.

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 22044444051 its reverse (15044444022), we get a palindrome (37088888073).

It can be divided in two parts, 22044 and 444051, that added together give a triangular number (466095 = T₉₆₅).

The spelling of 22044444051 in words is "twenty-two billion, forty-four million, four hundred forty-four thousand, fifty-one".