222241621577 has 8 divisors (see below), whose sum is σ = 239385085440. Its totient is φ = 205721556480.

The previous prime is 222241621573. The next prime is 222241621621. The reversal of 222241621577 is 775126142222.

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 222241621577 - 2² = 222241621573 is a prime.

It is a super-3 number, since 3×222241621577³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222241621573) 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, 155848952 + ... + 155850377.

It is an arithmetic number, because the mean of its divisors is an integer number (29923135680).

Almost surely, 2^222241621577 is an apocalyptic number.

It is an amenable number.

222241621577 is a deficient number, since it is larger than the sum of its proper divisors (17143463863).

222241621577 is a wasteful number, since it uses less digits than its factorization.

222241621577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311699383.

The product of its digits is 188160, while the sum is 41.

Adding to 222241621577 its reverse (775126142222), we get a palindrome (997367763799).

The spelling of 222241621577 in words is "two hundred twenty-two billion, two hundred forty-one million, six hundred twenty-one thousand, five hundred seventy-seven".