222142542305 has 16 divisors (see below), whose sum is σ = 273052712064. Its totient is φ = 173401482240.

The previous prime is 222142542287. The next prime is 222142542371. The reversal of 222142542305 is 503245241222.

It is not a de Polignac number, because 222142542305 - 2¹⁴ = 222142525921 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 326336 + ... + 742145.

It is an arithmetic number, because the mean of its divisors is an integer number (17065794504).

Almost surely, 2^222142542305 is an apocalyptic number.

It is an amenable number.

222142542305 is a deficient number, since it is larger than the sum of its proper divisors (50910169759).

222142542305 is a wasteful number, since it uses less digits than its factorization.

222142542305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069496.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 222142542305 its reverse (503245241222), we get a palindrome (725387783527).

The spelling of 222142542305 in words is "two hundred twenty-two billion, one hundred forty-two million, five hundred forty-two thousand, three hundred five".