222650650340 has 24 divisors (see below), whose sum is σ = 467602745400. Its totient is φ = 89053330688.

The previous prime is 222650650337. The next prime is 222650650361. The reversal of 222650650340 is 43056056222.

It can be written as a sum of positive squares in 4 ways, for example, as 2015650816 + 220634999524 = 44896^2 + 469718^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222650650340.

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, 165587 + ... + 687546.

It is an arithmetic number, because the mean of its divisors is an integer number (19483447725).

Almost surely, 2^222650650340 is an apocalyptic number.

222650650340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222650650340 is an abundant number, since it is smaller than the sum of its proper divisors (244952095060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222650650340 is a wasteful number, since it uses less digits than its factorization.

222650650340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866191 (or 866189 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 222650650340 in words is "two hundred twenty-two billion, six hundred fifty million, six hundred fifty thousand, three hundred forty".