22219678215 has 192 divisors, whose sum is σ = 48616049664. Its totient is φ = 9503889408.

The previous prime is 22219678199. The next prime is 22219678219. The reversal of 22219678215 is 51287691222.

It is not a de Polignac number, because 22219678215 - 2⁴ = 22219678199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22219678219) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 32820457 + ... + 32821133.

It is an arithmetic number, because the mean of its divisors is an integer number (253208592).

Almost surely, 2^22219678215 is an apocalyptic number.

22219678215 is an abundant number, since it is smaller than the sum of its proper divisors (26396371449).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22219678215 is a wasteful number, since it uses less digits than its factorization.

22219678215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 936 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The spelling of 22219678215 in words is "twenty-two billion, two hundred nineteen million, six hundred seventy-eight thousand, two hundred fifteen".