22400444040044 has 48 divisors (see below), whose sum is σ = 45648081154368. Its totient is φ = 9418663957248.

The previous prime is 22400444039959. The next prime is 22400444040049. The reversal of 22400444040044 is 44004044400422.

It is a super-2 number, since 2×22400444040044² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22400444040049) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 36973142 + ... + 37574114.

It is an arithmetic number, because the mean of its divisors is an integer number (951001690716).

Almost surely, 2^{22400444040044} is an apocalyptic number.

It is an amenable number.

22400444040044 is an abundant number, since it is smaller than the sum of its proper divisors (23247637114324).

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

22400444040044 is a wasteful number, since it uses less digits than its factorization.

22400444040044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626154 (or 626152 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 22400444040044 its reverse (44004044400422), we get a palindrome (66404488440466).

The spelling of 22400444040044 in words is "twenty-two trillion, four hundred billion, four hundred forty-four million, forty thousand, forty-four".