222243220142 has 8 divisors (see below), whose sum is σ = 333370161432. Its totient is φ = 111119833000.

The previous prime is 222243220139. The next prime is 222243220151. The reversal of 222243220142 is 241022342222.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726284 + ... + 985887.

It is an arithmetic number, because the mean of its divisors is an integer number (41671270179).

Almost surely, 2^222243220142 is an apocalyptic number.

222243220142 is a deficient number, since it is larger than the sum of its proper divisors (111126941290).

222243220142 is a wasteful number, since it uses less digits than its factorization.

222243220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777074.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 222243220142 its reverse (241022342222), we get a palindrome (463265562364).

The spelling of 222243220142 in words is "two hundred twenty-two billion, two hundred forty-three million, two hundred twenty thousand, one hundred forty-two".