22906630887 has 48 divisors (see below), whose sum is σ = 37139558400. Its totient is φ = 12506719680.

The previous prime is 22906630853. The next prime is 22906630919. The reversal of 22906630887 is 78803660922.

It is not a de Polignac number, because 22906630887 - 2¹¹ = 22906628839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22906630837) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328189 + ... + 391817.

It is an arithmetic number, because the mean of its divisors is an integer number (773740800).

Almost surely, 2^22906630887 is an apocalyptic number.

22906630887 is a deficient number, since it is larger than the sum of its proper divisors (14232927513).

22906630887 is a wasteful number, since it uses less digits than its factorization.

22906630887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63756 (or 63749 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 22906630887 in words is "twenty-two billion, nine hundred six million, six hundred thirty thousand, eight hundred eighty-seven".