22451130450 has 120 divisors (see below), whose sum is σ = 71292526272. Its totient is φ = 5131680480.

The previous prime is 22451130421. The next prime is 22451130463. The reversal of 22451130450 is 5403115422.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon 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 59 ways as a sum of consecutive naturals, for example, 367614 + ... + 424313.

Almost surely, 2^22451130450 is an apocalyptic number.

22451130450 is an abundant number, since it is smaller than the sum of its proper divisors (48841395822).

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

22451130450 is a wasteful number, since it uses less digits than its factorization.

22451130450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791958 (or 791944 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 22451130450 its reverse (5403115422), we get a palindrome (27854245872).

The spelling of 22451130450 in words is "twenty-two billion, four hundred fifty-one million, one hundred thirty thousand, four hundred fifty".