22061064112240 has 20 divisors (see below), whose sum is σ = 51291974061144. Its totient is φ = 8824425644864.

The previous prime is 22061064112181. The next prime is 22061064112247. The reversal of 22061064112240 is 4221146016022.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061064112247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137881650622 + ... + 137881650781.

Almost surely, 2^{22061064112240} is an apocalyptic number.

22061064112240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22061064112240 is an abundant number, since it is smaller than the sum of its proper divisors (29230909948904).

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

22061064112240 is a wasteful number, since it uses less digits than its factorization.

22061064112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275763301416 (or 275763301410 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 22061064112240 in words is "twenty-two trillion, sixty-one billion, sixty-four million, one hundred twelve thousand, two hundred forty".