3642221011222 has 48 divisors (see below), whose sum is σ = 5735240810496. Its totient is φ = 1732949341200.

The previous prime is 3642221011199. The next prime is 3642221011229. The reversal of 3642221011222 is 2221101222463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642221011229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119688373 + ... + 119718799.

It is an arithmetic number, because the mean of its divisors is an integer number (119484183552).

Almost surely, 2^{3642221011222} is an apocalyptic number.

3642221011222 is a deficient number, since it is larger than the sum of its proper divisors (2093019799274).

3642221011222 is a wasteful number, since it uses less digits than its factorization.

3642221011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30985 (or 30914 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 3642221011222 its reverse (2221101222463), we get a palindrome (5863322233685).

The spelling of 3642221011222 in words is "three trillion, six hundred forty-two billion, two hundred twenty-one million, eleven thousand, two hundred twenty-two".