22120098 has 128 divisors (see below), whose sum is σ = 61931520. Its totient is φ = 5080320.

The previous prime is 22120061. The next prime is 22120099. The reversal of 22120098 is 89002122.

It is not an unprimeable number, because it can be changed into a prime (22120099) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 174111 + ... + 174237.

It is an arithmetic number, because the mean of its divisors is an integer number (483840).

Almost surely, 2^22120098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22120098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30965760).

22120098 is an abundant number, since it is smaller than the sum of its proper divisors (39811422).

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

22120098 is a wasteful number, since it uses less digits than its factorization.

22120098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 22120098 is about 4703.2008249702. The cubic root of 22120098 is about 280.7128858185.

The spelling of 22120098 in words is "twenty-two million, one hundred twenty thousand, ninety-eight".