22988100 has 144 divisors (see below), whose sum is σ = 72564800. Its totient is φ = 5598720.

The previous prime is 22988099. The next prime is 22988149. The reversal of 22988100 is 188922.

It is a super-2 number, since 2×22988100² = 1056905483220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210846 + ... + 210954.

Almost surely, 2^22988100 is an apocalyptic number.

22988100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22988100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36282400).

22988100 is an abundant number, since it is smaller than the sum of its proper divisors (49576700).

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

22988100 is a wasteful number, since it uses less digits than its factorization.

22988100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 22988100 is about 4794.5907020308. The cubic root of 22988100 is about 284.3376431225.

The spelling of 22988100 in words is "twenty-two million, nine hundred eighty-eight thousand, one hundred".