22001041144 has 8 divisors (see below), whose sum is σ = 41251952160. Its totient is φ = 11000520568.

The previous prime is 22001041067. The next prime is 22001041159. The reversal of 22001041144 is 44114010022.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22001041144² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375065064 + ... + 1375065079.

It is an arithmetic number, because the mean of its divisors is an integer number (5156494020).

Almost surely, 2^22001041144 is an apocalyptic number.

It is an amenable number.

22001041144 is a deficient number, since it is larger than the sum of its proper divisors (19250911016).

22001041144 is a wasteful number, since it uses less digits than its factorization.

22001041144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750130149 (or 2750130145 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22001041144 its reverse (44114010022), we get a palindrome (66115051166).

The spelling of 22001041144 in words is "twenty-two billion, one million, forty-one thousand, one hundred forty-four".