22054747557 has 8 divisors (see below), whose sum is σ = 29500885440. Its totient is φ = 14655887360.

The previous prime is 22054747549. The next prime is 22054747571. The reversal of 22054747557 is 75574745022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22054747557 - 2³ = 22054747549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22054747597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11818332 + ... + 11820197.

It is an arithmetic number, because the mean of its divisors is an integer number (3687610680).

Almost surely, 2^22054747557 is an apocalyptic number.

It is an amenable number.

22054747557 is a deficient number, since it is larger than the sum of its proper divisors (7446137883).

22054747557 is a wasteful number, since it uses less digits than its factorization.

22054747557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23638843.

The product of its (nonzero) digits is 2744000, while the sum is 48.

The spelling of 22054747557 in words is "twenty-two billion, fifty-four million, seven hundred forty-seven thousand, five hundred fifty-seven".