222015142545 has 16 divisors (see below), whose sum is σ = 405970546560. Its totient is φ = 101492636544.

The previous prime is 222015142541. The next prime is 222015142571. The reversal of 222015142545 is 545241510222.

It is not a de Polignac number, because 222015142545 - 2² = 222015142541 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057214860 + ... + 1057215069.

It is an arithmetic number, because the mean of its divisors is an integer number (25373159160).

Almost surely, 2^222015142545 is an apocalyptic number.

It is an amenable number.

222015142545 is a deficient number, since it is larger than the sum of its proper divisors (183955404015).

222015142545 is a wasteful number, since it uses less digits than its factorization.

222015142545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114429944.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 222015142545 its reverse (545241510222), we get a palindrome (767256652767).

The spelling of 222015142545 in words is "two hundred twenty-two billion, fifteen million, one hundred forty-two thousand, five hundred forty-five".