22055311215 has 24 divisors (see below), whose sum is σ = 43690521888. Its totient is φ = 10082427840.

The previous prime is 22055311123. The next prime is 22055311247. The reversal of 22055311215 is 51211355022.

22055311215 is a `hidden beast` number, since 2 + 2 + 0 + 5 + 531 + 121 + 5 = 666.

It is not a de Polignac number, because 22055311215 - 2⁹ = 22055310703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35008116 + ... + 35008745.

It is an arithmetic number, because the mean of its divisors is an integer number (1820438412).

Almost surely, 2^22055311215 is an apocalyptic number.

22055311215 is a deficient number, since it is larger than the sum of its proper divisors (21635210673).

22055311215 is a wasteful number, since it uses less digits than its factorization.

22055311215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70016879 (or 70016876 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 22055311215 its reverse (51211355022), we get a palindrome (73266666237).

The spelling of 22055311215 in words is "twenty-two billion, fifty-five million, three hundred eleven thousand, two hundred fifteen".