22514452000 has 48 divisors (see below), whose sum is σ = 55318018392. Its totient is φ = 9005779200.

The previous prime is 22514451941. The next prime is 22514452003. The reversal of 22514452000 is 25441522.

It can be written as a sum of positive squares in 4 ways, for example, as 2148878736 + 20365573264 = 46356^2 + 142708^2 .

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 (22514452003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810307 + ... + 2818306.

Almost surely, 2^22514452000 is an apocalyptic number.

22514452000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22514452000 is an abundant number, since it is smaller than the sum of its proper divisors (32803566392).

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

22514452000 is an equidigital number, since it uses as much as digits as its factorization.

22514452000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628638 (or 5628620 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 22514452000 its reverse (25441522), we get a palindrome (22539893522).

The spelling of 22514452000 in words is "twenty-two billion, five hundred fourteen million, four hundred fifty-two thousand".