2387221222387 has 8 divisors (see below), whose sum is σ = 2424176746992. Its totient is φ = 2350526868000.

The previous prime is 2387221222367. The next prime is 2387221222429. The reversal of 2387221222387 is 7832221227832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2387221222387 is a prime.

It is a super-2 number, since 2×2387221222387² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2387221222387.

It is not an unprimeable number, because it can be changed into a prime (2387221222327) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 65274133 + ... + 65310694.

It is an arithmetic number, because the mean of its divisors is an integer number (303022093374).

Almost surely, 2^{2387221222387} is an apocalyptic number.

2387221222387 is a deficient number, since it is larger than the sum of its proper divisors (36955524605).

2387221222387 is a wasteful number, since it uses less digits than its factorization.

2387221222387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130585109.

The product of its digits is 1806336, while the sum is 49.

Subtracting 2387221222387 from its reverse (7832221227832), we obtain a palindrome (5445000005445).

The spelling of 2387221222387 in words is "two trillion, three hundred eighty-seven billion, two hundred twenty-one million, two hundred twenty-two thousand, three hundred eighty-seven".