22053451500444 has 96 divisors (see below), whose sum is σ = 64225003078656. Its totient is φ = 5734375234560.

The previous prime is 22053451500419. The next prime is 22053451500481. The reversal of 22053451500444 is 44400515435022.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 142144077 + ... + 142299140.

It is an arithmetic number, because the mean of its divisors is an integer number (669010448736).

Almost surely, 2^{22053451500444} is an apocalyptic number.

It is an amenable number.

22053451500444 is an abundant number, since it is smaller than the sum of its proper divisors (42171551578212).

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

22053451500444 is a wasteful number, since it uses less digits than its factorization.

22053451500444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284443315 (or 284443313 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 22053451500444 its reverse (44400515435022), we get a palindrome (66453966935466).

The spelling of 22053451500444 in words is "twenty-two trillion, fifty-three billion, four hundred fifty-one million, five hundred thousand, four hundred forty-four".