22155061207 has 8 divisors (see below), whose sum is σ = 23817312000. Its totient is φ = 20542429944.

The previous prime is 22155061177. The next prime is 22155061237. The reversal of 22155061207 is 70216055122.

It is an interprime number because it is at equal distance from previous prime (22155061177) and next prime (22155061237).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22155061207 - 2²⁷ = 22020843479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155061237) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12403957 + ... + 12405742.

It is an arithmetic number, because the mean of its divisors is an integer number (2977164000).

Almost surely, 2^22155061207 is an apocalyptic number.

22155061207 is a deficient number, since it is larger than the sum of its proper divisors (1662250793).

22155061207 is a wasteful number, since it uses less digits than its factorization.

22155061207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24809765.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 22155061207 in words is "twenty-two billion, one hundred fifty-five million, sixty-one thousand, two hundred seven".