23210000022 has 48 divisors (see below), whose sum is σ = 51242995440. Its totient is φ = 7003096320.

The previous prime is 23210000003. The next prime is 23210000053. The reversal of 23210000022 is 22000001232.

It is a junction number, because it is equal to n+sod(n) for n = 23209999962 and 23210000007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100554 + ... + 237762.

It is an arithmetic number, because the mean of its divisors is an integer number (1067562405).

Almost surely, 2^23210000022 is an apocalyptic number.

23210000022 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 23210000022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25621497720).

23210000022 is an abundant number, since it is smaller than the sum of its proper divisors (28032995418).

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

23210000022 is a wasteful number, since it uses less digits than its factorization.

23210000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137469 (or 137458 counting only the distinct ones).

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

Adding to 23210000022 its reverse (22000001232), we get a palindrome (45210001254).

The spelling of 23210000022 in words is "twenty-three billion, two hundred ten million, twenty-two", and thus it is an aban number.