22404220144 has 40 divisors (see below), whose sum is σ = 45307100160. Its totient is φ = 10712315328.

The previous prime is 22404220133. The next prime is 22404220147. The reversal of 22404220144 is 44102240422.

It is a super-3 number, since 3×22404220144³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22404220147) 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 7 ways as a sum of consecutive naturals, for example, 2839597 + ... + 2847475.

It is an arithmetic number, because the mean of its divisors is an integer number (1132677504).

Almost surely, 2^22404220144 is an apocalyptic number.

It is an amenable number.

22404220144 is an abundant number, since it is smaller than the sum of its proper divisors (22902880016).

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

22404220144 is a wasteful number, since it uses less digits than its factorization.

22404220144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15637 (or 15631 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 22404220144 its reverse (44102240422), we get a palindrome (66506460566).

The spelling of 22404220144 in words is "twenty-two billion, four hundred four million, two hundred twenty thousand, one hundred forty-four".