22123002 has 32 divisors (see below), whose sum is σ = 48890880. Its totient is φ = 6617520.

The previous prime is 22122983. The next prime is 22123021. The reversal of 22123002 is 20032122.

It is an interprime number because it is at equal distance from previous prime (22122983) and next prime (22123021).

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 15 ways as a sum of consecutive naturals, for example, 3093 + ... + 7335.

It is an arithmetic number, because the mean of its divisors is an integer number (1527840).

Almost surely, 2^22123002 is an apocalyptic number.

22123002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22123002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24445440).

22123002 is an abundant number, since it is smaller than the sum of its proper divisors (26767878).

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

22123002 is a wasteful number, since it uses less digits than its factorization.

22123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338.

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

The square root of 22123002 is about 4703.5095407578. The cubic root of 22123002 is about 280.7251695879.

Adding to 22123002 its reverse (20032122), we get a palindrome (42155124).

The spelling of 22123002 in words is "twenty-two million, one hundred twenty-three thousand, two".