222000621601 has 12 divisors (see below), whose sum is σ = 244661107600. Its totient is φ = 201286202040.

The previous prime is 222000621593. The next prime is 222000621613. The reversal of 222000621601 is 106126000222.

It is not a de Polignac number, because 222000621601 - 2³ = 222000621593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222000621671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2374611 + ... + 2466328.

Almost surely, 2^222000621601 is an apocalyptic number.

It is an amenable number.

222000621601 is a deficient number, since it is larger than the sum of its proper divisors (22660485999).

222000621601 is a wasteful number, since it uses less digits than its factorization.

222000621601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841340 (or 4841329 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 222000621601 its reverse (106126000222), we get a palindrome (328126621823).

The spelling of 222000621601 in words is "two hundred twenty-two billion, six hundred twenty-one thousand, six hundred one".