222252305145 has 16 divisors (see below), whose sum is σ = 382957818432. Its totient is φ = 109416519360.

The previous prime is 222252305113. The next prime is 222252305287. The reversal of 222252305145 is 541503252222.

It is not a de Polignac number, because 222252305145 - 2⁵ = 222252305113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569877511 + ... + 569877900.

It is an arithmetic number, because the mean of its divisors is an integer number (23934863652).

Almost surely, 2^222252305145 is an apocalyptic number.

It is an amenable number.

222252305145 is a deficient number, since it is larger than the sum of its proper divisors (160705513287).

222252305145 is a wasteful number, since it uses less digits than its factorization.

222252305145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139755432.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 222252305145 its reverse (541503252222), we get a palindrome (763755557367).

The spelling of 222252305145 in words is "two hundred twenty-two billion, two hundred fifty-two million, three hundred five thousand, one hundred forty-five".