22155250215 has 16 divisors (see below), whose sum is σ = 40512457728. Its totient is φ = 10128114336.

The previous prime is 22155250189. The next prime is 22155250253. The reversal of 22155250215 is 51205255122.

It is not a de Polignac number, because 22155250215 - 2⁹ = 22155249703 is a prime.

It is a super-2 number, since 2×22155250215² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105501087 + ... + 105501296.

It is an arithmetic number, because the mean of its divisors is an integer number (2532028608).

Almost surely, 2^22155250215 is an apocalyptic number.

22155250215 is a deficient number, since it is larger than the sum of its proper divisors (18357207513).

22155250215 is a wasteful number, since it uses less digits than its factorization.

22155250215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211002398.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 22155250215 in words is "twenty-two billion, one hundred fifty-five million, two hundred fifty thousand, two hundred fifteen".