222380528346887 has 4 divisors (see below), whose sum is σ = 222911269465080. Its totient is φ = 221849787228696.

The previous prime is 222380528346841. The next prime is 222380528346943. The reversal of 222380528346887 is 788643825083222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222380528346887 - 2²⁸ = 222380259911431 is a prime.

It is a super-2 number, since 2×222380528346887² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222380528342887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265370558468 + ... + 265370559305.

It is an arithmetic number, because the mean of its divisors is an integer number (55727817366270).

Almost surely, 2^{222380528346887} is an apocalyptic number.

222380528346887 is a deficient number, since it is larger than the sum of its proper divisors (530741118193).

222380528346887 is an equidigital number, since it uses as much as digits as its factorization.

222380528346887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530741118192.

The product of its (nonzero) digits is 495452160, while the sum is 68.

The spelling of 222380528346887 in words is "two hundred twenty-two trillion, three hundred eighty billion, five hundred twenty-eight million, three hundred forty-six thousand, eight hundred eighty-seven".