1224550215 has 24 divisors (see below), whose sum is σ = 2425776288. Its totient is φ = 559794240.

The previous prime is 1224550207. The next prime is 1224550219. The reversal of 1224550215 is 5120554221.

It is not a de Polignac number, because 1224550215 - 2³ = 1224550207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224550219) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1943416 + ... + 1944045.

It is an arithmetic number, because the mean of its divisors is an integer number (101074012).

Almost surely, 2^1224550215 is an apocalyptic number.

1224550215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1224550215 is a deficient number, since it is larger than the sum of its proper divisors (1201226073).

1224550215 is a wasteful number, since it uses less digits than its factorization.

1224550215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887479 (or 3887476 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1224550215 is about 34993.5739100767. The cubic root of 1224550215 is about 1069.8565082567.

The spelling of 1224550215 in words is "one billion, two hundred twenty-four million, five hundred fifty thousand, two hundred fifteen".