22355421050 has 12 divisors (see below), whose sum is σ = 41581083246. Its totient is φ = 8942168400.

The previous prime is 22355421043. The next prime is 22355421089. The reversal of 22355421050 is 5012455322.

It can be written as a sum of positive squares in 3 ways, for example, as 14626725481 + 7728695569 = 120941^2 + 87913^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 223554161 + ... + 223554260.

Almost surely, 2^22355421050 is an apocalyptic number.

22355421050 is a deficient number, since it is larger than the sum of its proper divisors (19225662196).

22355421050 is a wasteful number, since it uses less digits than its factorization.

22355421050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447108433 (or 447108428 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 22355421050 its reverse (5012455322), we get a palindrome (27367876372).

The spelling of 22355421050 in words is "twenty-two billion, three hundred fifty-five million, four hundred twenty-one thousand, fifty".