1622355028887 has 24 divisors (see below), whose sum is σ = 2261595942144. Its totient is φ = 1034400105904.

The previous prime is 1622355028849. The next prime is 1622355028901. The reversal of 1622355028887 is 7888205532261.

It is not a de Polignac number, because 1622355028887 - 2¹⁰ = 1622355027863 is a prime.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622355021887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11871058 + ... + 12006944.

It is an arithmetic number, because the mean of its divisors is an integer number (94233164256).

Almost surely, 2^{1622355028887} is an apocalyptic number.

1622355028887 is a deficient number, since it is larger than the sum of its proper divisors (639240913257).

1622355028887 is a wasteful number, since it uses less digits than its factorization.

1622355028887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143459 (or 143436 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 1622355028887 in words is "one trillion, six hundred twenty-two billion, three hundred fifty-five million, twenty-eight thousand, eight hundred eighty-seven".