22023052450 has 144 divisors (see below), whose sum is σ = 48579212160. Its totient is φ = 7426581120.

The previous prime is 22023052417. The next prime is 22023052451. The reversal of 22023052450 is 5425032022.

It is a happy number.

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 (22023052451) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 61345371 + ... + 61345729.

It is an arithmetic number, because the mean of its divisors is an integer number (337355640).

Almost surely, 2^22023052450 is an apocalyptic number.

22023052450 is an abundant number, since it is smaller than the sum of its proper divisors (26556159710).

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

22023052450 is an frugal number, since it uses more digits than its factorization.

22023052450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 22023052450 its reverse (5425032022), we get a palindrome (27448084472).

The spelling of 22023052450 in words is "twenty-two billion, twenty-three million, fifty-two thousand, four hundred fifty".