222091174714640 has 720 divisors, whose sum is σ = 703530287023536. Its totient is φ = 64735923732480.

The previous prime is 222091174714637. The next prime is 222091174714687. The reversal of 222091174714640 is 46417471190222.

222091174714640 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 8 ways, for example, as 9646440880384 + 212444733834256 = 3105872^2 + 14575484^2 .

It is a super-2 number, since 2×222091174714640² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1265872364 + ... + 1266047796.

Almost surely, 2^{222091174714640} is an apocalyptic number.

222091174714640 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 222091174714640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351765143511768).

222091174714640 is an abundant number, since it is smaller than the sum of its proper divisors (481439112308896).

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

222091174714640 is a wasteful number, since it uses less digits than its factorization.

222091174714640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175656 (or 175632 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 222091174714640 in words is "two hundred twenty-two trillion, ninety-one billion, one hundred seventy-four million, seven hundred fourteen thousand, six hundred forty".