22622500 has 30 divisors (see below), whose sum is σ = 49476350. Its totient is φ = 9048000.

The previous prime is 22622497. The next prime is 22622507. The reversal of 22622500 is 522622.

It can be written as a sum of positive squares in 5 ways, for example, as 5116644 + 17505856 = 2262^2 + 4184^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22622507) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2025 + ... + 7024.

Almost surely, 2^22622500 is an apocalyptic number.

22622500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22622500 is an abundant number, since it is smaller than the sum of its proper divisors (26853850).

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

22622500 is an equidigital number, since it uses as much as digits as its factorization.

22622500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9073 (or 9056 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22622500 is about 4756.3115961846. The cubic root of 22622500 is about 282.8222234989.

The spelling of 22622500 in words is "twenty-two million, six hundred twenty-two thousand, five hundred".