222068901981 has 8 divisors (see below), whose sum is σ = 296385324160. Its totient is φ = 147899207232.

The previous prime is 222068901959. The next prime is 222068902001. The reversal of 222068901981 is 189109860222.

222068901981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 222068901981 - 2¹⁰ = 222068900957 is a prime.

It is a super-2 number, since 2×222068901981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222068901981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222068901181) 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 7 ways as a sum of consecutive naturals, for example, 36678325 + ... + 36684378.

It is an arithmetic number, because the mean of its divisors is an integer number (37048165520).

Almost surely, 2^222068901981 is an apocalyptic number.

It is an amenable number.

222068901981 is a deficient number, since it is larger than the sum of its proper divisors (74316422179).

222068901981 is a wasteful number, since it uses less digits than its factorization.

222068901981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73363715.

The product of its (nonzero) digits is 248832, while the sum is 48.

The spelling of 222068901981 in words is "two hundred twenty-two billion, sixty-eight million, nine hundred one thousand, nine hundred eighty-one".