2421222550 has 48 divisors (see below), whose sum is σ = 4585152960. Its totient is φ = 951017760.

The previous prime is 2421222541. The next prime is 2421222563. The reversal of 2421222550 is 552221242.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1268697 + ... + 1270603.

It is an arithmetic number, because the mean of its divisors is an integer number (95524020).

Almost surely, 2^2421222550 is an apocalyptic number.

2421222550 is a deficient number, since it is larger than the sum of its proper divisors (2163930410).

2421222550 is a wasteful number, since it uses less digits than its factorization.

2421222550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2421222550 is about 49205.9198674306. The cubic root of 2421222550 is about 1342.8007341467.

Adding to 2421222550 its reverse (552221242), we get a palindrome (2973443792).

The spelling of 2421222550 in words is "two billion, four hundred twenty-one million, two hundred twenty-two thousand, five hundred fifty".