22135105944 has 144 divisors (see below), whose sum is σ = 73407461400. Its totient is φ = 5991439104.

The previous prime is 22135105913. The next prime is 22135105957. The reversal of 22135105944 is 44950153122.

22135105944 is a `hidden beast` number, since 2 + 2 + 13 + 51 + 0 + 594 + 4 = 666.

It is a super-2 number, since 2×22135105944² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22135105899 and 22135105908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 98077 + ... + 232140.

Almost surely, 2^22135105944 is an apocalyptic number.

22135105944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22135105944 is an abundant number, since it is smaller than the sum of its proper divisors (51272355456).

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

22135105944 is a wasteful number, since it uses less digits than its factorization.

22135105944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330262 (or 330248 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 22135105944 in words is "twenty-two billion, one hundred thirty-five million, one hundred five thousand, nine hundred forty-four".