22472100 has 288 divisors, whose sum is σ = 87494400. Its totient is φ = 4838400.

The previous prime is 22472089. The next prime is 22472111. The reversal of 22472100 is 127422.

It is an interprime number because it is at equal distance from previous prime (22472089) and next prime (22472111).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 95 ways as a sum of consecutive naturals, for example, 548080 + ... + 548120.

It is an arithmetic number, because the mean of its divisors is an integer number (303800).

Almost surely, 2^22472100 is an apocalyptic number.

22472100 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 22472100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43747200).

22472100 is an abundant number, since it is smaller than the sum of its proper divisors (65022300).

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

22472100 is a wasteful number, since it uses less digits than its factorization.

22472100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 22472100 is about 4740.4746597783. The cubic root of 22472100 is about 282.1940719322.

Adding to 22472100 its reverse (127422), we get a palindrome (22599522).

The spelling of 22472100 in words is "twenty-two million, four hundred seventy-two thousand, one hundred".