22061126640 has 80 divisors (see below), whose sum is σ = 78159426048. Its totient is φ = 5042542848.

The previous prime is 22061126629. The next prime is 22061126653. The reversal of 22061126640 is 4662116022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×22061126640² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22061126598 and 22061126607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6564132 + ... + 6567491.

Almost surely, 2^22061126640 is an apocalyptic number.

22061126640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22061126640 is an abundant number, since it is smaller than the sum of its proper divisors (56098299408).

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

22061126640 is a wasteful number, since it uses less digits than its factorization.

22061126640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13131646 (or 13131640 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 22061126640 in words is "twenty-two billion, sixty-one million, one hundred twenty-six thousand, six hundred forty".