222240777986 has 8 divisors (see below), whose sum is σ = 333364887804. Its totient is φ = 111119148720.

The previous prime is 222240777959. The next prime is 222240777989. The reversal of 222240777986 is 689777042222.

222240777986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 207918672361 + 14322105625 = 455981^2 + 119675^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222240777989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377105 + ... + 765956.

Almost surely, 2^222240777986 is an apocalyptic number.

222240777986 is a deficient number, since it is larger than the sum of its proper divisors (111124109818).

222240777986 is a wasteful number, since it uses less digits than its factorization.

222240777986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240276.

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 222240777986 in words is "two hundred twenty-two billion, two hundred forty million, seven hundred seventy-seven thousand, nine hundred eighty-six".