22160655557 has 4 divisors (see below), whose sum is σ = 22166775840. Its totient is φ = 22154535276.

The previous prime is 22160655553. The next prime is 22160655589. The reversal of 22160655557 is 75555606122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22160655557 - 2² = 22160655553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22160655553) 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, 3054707 + ... + 3061952.

It is an arithmetic number, because the mean of its divisors is an integer number (5541693960).

Almost surely, 2^22160655557 is an apocalyptic number.

It is an amenable number.

22160655557 is a deficient number, since it is larger than the sum of its proper divisors (6120283).

22160655557 is an equidigital number, since it uses as much as digits as its factorization.

22160655557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6120282.

The product of its (nonzero) digits is 630000, while the sum is 44.

The spelling of 22160655557 in words is "twenty-two billion, one hundred sixty million, six hundred fifty-five thousand, five hundred fifty-seven".