222772241377660 has 96 divisors (see below), whose sum is σ = 511482131762112. Its totient is φ = 81004854712320.

The previous prime is 222772241377619. The next prime is 222772241377661. The reversal of 222772241377660 is 66773142277222.

It is a junction number, because it is equal to n+sod(n) for n = 222772241377595 and 222772241377604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222772241377661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3667407 + ... + 21424153.

It is an arithmetic number, because the mean of its divisors is an integer number (5327938872522).

Almost surely, 2^{222772241377660} is an apocalyptic number.

222772241377660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222772241377660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255741065881056).

222772241377660 is an abundant number, since it is smaller than the sum of its proper divisors (288709890384452).

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

222772241377660 is a wasteful number, since it uses less digits than its factorization.

222772241377660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17757503 (or 17757501 counting only the distinct ones).

The product of its (nonzero) digits is 33191424, while the sum is 58.

The spelling of 222772241377660 in words is "two hundred twenty-two trillion, seven hundred seventy-two billion, two hundred forty-one million, three hundred seventy-seven thousand, six hundred sixty".