222261257705 has 8 divisors (see below), whose sum is σ = 269073806472. Its totient is φ = 176235474688.

The previous prime is 222261257677. The next prime is 222261257711. The reversal of 222261257705 is 507752162222.

It can be written as a sum of positive squares in 4 ways, for example, as 27601170496 + 194660087209 = 166136^2 + 441203^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222261257705 is a prime.

It is a Duffinian number.

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, 196690814 + ... + 196691943.

It is an arithmetic number, because the mean of its divisors is an integer number (33634225809).

Almost surely, 2^222261257705 is an apocalyptic number.

It is an amenable number.

222261257705 is a deficient number, since it is larger than the sum of its proper divisors (46812548767).

222261257705 is a wasteful number, since it uses less digits than its factorization.

222261257705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393382875.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 222261257705 in words is "two hundred twenty-two billion, two hundred sixty-one million, two hundred fifty-seven thousand, seven hundred five".