22530215050 has 48 divisors (see below), whose sum is σ = 47910183552. Its totient is φ = 7721841600.

The previous prime is 22530215021. The next prime is 22530215051. The reversal of 22530215050 is 5051203522.

It is a happy number.

It is a super-2 number, since 2×22530215050² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (22530215051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1106764 + ... + 1126936.

It is an arithmetic number, because the mean of its divisors is an integer number (998128824).

Almost surely, 2^22530215050 is an apocalyptic number.

22530215050 is an abundant number, since it is smaller than the sum of its proper divisors (25379968502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22530215050 is a wasteful number, since it uses less digits than its factorization.

22530215050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23383 (or 23378 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 22530215050 its reverse (5051203522), we get a palindrome (27581418572).

The spelling of 22530215050 in words is "twenty-two billion, five hundred thirty million, two hundred fifteen thousand, fifty".