22215006782 has 32 divisors (see below), whose sum is σ = 34620687360. Its totient is φ = 10679639040.

The previous prime is 22215006773. The next prime is 22215006791. The reversal of 22215006782 is 28760051222.

It is an interprime number because it is at equal distance from previous prime (22215006773) and next prime (22215006791).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8260094 + ... + 8262782.

It is an arithmetic number, because the mean of its divisors is an integer number (1081896480).

Almost surely, 2^22215006782 is an apocalyptic number.

22215006782 is a deficient number, since it is larger than the sum of its proper divisors (12405680578).

22215006782 is a wasteful number, since it uses less digits than its factorization.

22215006782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 22215006782 in words is "twenty-two billion, two hundred fifteen million, six thousand, seven hundred eighty-two".