222015142542 has 8 divisors (see below), whose sum is σ = 444030285096. Its totient is φ = 74005047512.

The previous prime is 222015142541. The next prime is 222015142571. The reversal of 222015142542 is 245241510222.

222015142542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

222015142542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222015142541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18501261873 + ... + 18501261884.

It is an arithmetic number, because the mean of its divisors is an integer number (55503785637).

Almost surely, 2^222015142542 is an apocalyptic number.

222015142542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222015142542 is a wasteful number, since it uses less digits than its factorization.

222015142542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37002523762.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 222015142542 its reverse (245241510222), we get a palindrome (467256652764).

The spelling of 222015142542 in words is "two hundred twenty-two billion, fifteen million, one hundred forty-two thousand, five hundred forty-two".