222191807126790 has 64 divisors (see below), whose sum is σ = 549827097507072. Its totient is φ = 57431434569600.

The previous prime is 222191807126771. The next prime is 222191807126819. The reversal of 222191807126790 is 97621708191222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222191807126790.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657242121 + ... + 657580100.

It is an arithmetic number, because the mean of its divisors is an integer number (8591048398548).

Almost surely, 2^{222191807126790} is an apocalyptic number.

222191807126790 is an abundant number, since it is smaller than the sum of its proper divisors (327635290380282).

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

222191807126790 is a wasteful number, since it uses less digits than its factorization.

222191807126790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314822405.

The product of its (nonzero) digits is 3048192, while the sum is 57.

The spelling of 222191807126790 in words is "two hundred twenty-two trillion, one hundred ninety-one billion, eight hundred seven million, one hundred twenty-six thousand, seven hundred ninety".