22034100 has 108 divisors (see below), whose sum is σ = 70189952. Its totient is φ = 5332800.

The previous prime is 22034083. The next prime is 22034107. The reversal of 22034100 is 143022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22034107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35997 + ... + 36603.

Almost surely, 2^22034100 is an apocalyptic number.

22034100 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 22034100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35094976).

22034100 is an abundant number, since it is smaller than the sum of its proper divisors (48155852).

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

22034100 is a wasteful number, since it uses less digits than its factorization.

22034100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22034100 is about 4694.0494245374. The cubic root of 22034100 is about 280.3486303631.

Adding to 22034100 its reverse (143022), we get a palindrome (22177122).

The spelling of 22034100 in words is "twenty-two million, thirty-four thousand, one hundred".