23221002050 has 24 divisors (see below), whose sum is σ = 44358393396. Its totient is φ = 9037362240.

The previous prime is 23221002043. The next prime is 23221002053. The reversal of 23221002050 is 5020012232.

It can be written as a sum of positive squares in 6 ways, for example, as 9485396449 + 13735605601 = 97393^2 + 117199^2 .

It is a super-3 number, since 3×23221002050³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (23221002053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6274097 + ... + 6277796.

Almost surely, 2^23221002050 is an apocalyptic number.

23221002050 is a deficient number, since it is larger than the sum of its proper divisors (21137391346).

23221002050 is a wasteful number, since it uses less digits than its factorization.

23221002050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12551942 (or 12551937 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 23221002050 its reverse (5020012232), we get a palindrome (28241014282).

The spelling of 23221002050 in words is "twenty-three billion, two hundred twenty-one million, two thousand, fifty".