2222222222557 has 8 divisors (see below), whose sum is σ = 2252689445240. Its totient is φ = 2191755697920.

The previous prime is 2222222222537. The next prime is 2222222222579. The reversal of 2222222222557 is 7552222222222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 342194580676 + 1880027641881 = 584974^2 + 1371141^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222222222557 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222222222527) 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, 12623419 + ... + 12798247.

It is an arithmetic number, because the mean of its divisors is an integer number (281586180655).

Almost surely, 2^{2222222222557} is an apocalyptic number.

It is an amenable number.

2222222222557 is a deficient number, since it is larger than the sum of its proper divisors (30467222683).

2222222222557 is a wasteful number, since it uses less digits than its factorization.

2222222222557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349023.

The product of its digits is 179200, while the sum is 37.

Adding to 2222222222557 its reverse (7552222222222), we get a palindrome (9774444444779).

The spelling of 2222222222557 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, five hundred fifty-seven".