23310221022 has 96 divisors (see below), whose sum is σ = 58302167040. Its totient is φ = 6656688000.

The previous prime is 23310221017. The next prime is 23310221047. The reversal of 23310221022 is 22012201332.

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

It is a junction number, because it is equal to n+sod(n) for n = 23310220986 and 23310221004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 702322 + ... + 734762.

It is an arithmetic number, because the mean of its divisors is an integer number (607314240).

Almost surely, 2^23310221022 is an apocalyptic number.

23310221022 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 23310221022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29151083520).

23310221022 is an abundant number, since it is smaller than the sum of its proper divisors (34991946018).

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

23310221022 is a wasteful number, since it uses less digits than its factorization.

23310221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32670 (or 32667 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23310221022 its reverse (22012201332), we get a palindrome (45322422354).

The spelling of 23310221022 in words is "twenty-three billion, three hundred ten million, two hundred twenty-one thousand, twenty-two".