222543447545 has 8 divisors (see below), whose sum is σ = 269502157320. Its totient is φ = 176401411200.

The previous prime is 222543447523. The next prime is 222543447557. The reversal of 222543447545 is 545744345222.

It can be written as a sum of positive squares in 4 ways, for example, as 105619800064 + 116923647481 = 324992^2 + 341941^2 .

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

It is not a de Polignac number, because 222543447545 - 2¹² = 222543443449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222543447545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204167756 + ... + 204168845.

It is an arithmetic number, because the mean of its divisors is an integer number (33687769665).

Almost surely, 2^222543447545 is an apocalyptic number.

It is an amenable number.

222543447545 is a deficient number, since it is larger than the sum of its proper divisors (46958709775).

222543447545 is a wasteful number, since it uses less digits than its factorization.

222543447545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408336715.

The product of its digits is 5376000, while the sum is 47.

The spelling of 222543447545 in words is "two hundred twenty-two billion, five hundred forty-three million, four hundred forty-seven thousand, five hundred forty-five".