222006557 has 8 divisors (see below), whose sum is σ = 235586880. Its totient is φ = 208753600.

The previous prime is 222006503. The next prime is 222006581. The reversal of 222006557 is 755600222.

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 222006557 - 2¹² = 222002461 is a prime.

It is a super-2 number, since 2×222006557² = 98573822701988498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222006457) 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, 80444 + ... + 83157.

It is an arithmetic number, because the mean of its divisors is an integer number (29448360).

Almost surely, 2^222006557 is an apocalyptic number.

It is an amenable number.

222006557 is a deficient number, since it is larger than the sum of its proper divisors (13580323).

222006557 is a wasteful number, since it uses less digits than its factorization.

222006557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163683.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 222006557 is about 14899.8844626393. The cubic root of 222006557 is about 605.5108559972.

Adding to 222006557 its reverse (755600222), we get a palindrome (977606779).

The spelling of 222006557 in words is "two hundred twenty-two million, six thousand, five hundred fifty-seven".