207224055 has 16 divisors (see below), whose sum is σ = 368398560. Its totient is φ = 110519424.

The previous prime is 207224047. The next prime is 207224063. The reversal of 207224055 is 550422702.

It is an interprime number because it is at equal distance from previous prime (207224047) and next prime (207224063).

It is not a de Polignac number, because 207224055 - 2³ = 207224047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 767362 + ... + 767631.

It is an arithmetic number, because the mean of its divisors is an integer number (23024910).

Almost surely, 2^207224055 is an apocalyptic number.

207224055 is a deficient number, since it is larger than the sum of its proper divisors (161174505).

207224055 is a wasteful number, since it uses less digits than its factorization.

207224055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535007 (or 1535001 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 207224055 is about 14395.2789135883. The cubic root of 207224055 is about 591.7615218769.

Adding to 207224055 its reverse (550422702), we get a palindrome (757646757).

The spelling of 207224055 in words is "two hundred seven million, two hundred twenty-four thousand, fifty-five".