23041221222 has 32 divisors (see below), whose sum is σ = 47165450112. Its totient is φ = 7499991744.

The previous prime is 23041221209. The next prime is 23041221223. The reversal of 23041221222 is 22212214032.

It is a super-2 number, since 2×23041221222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23041221223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1451613 + ... + 1467399.

It is an arithmetic number, because the mean of its divisors is an integer number (1473920316).

Almost surely, 2^23041221222 is an apocalyptic number.

23041221222 is an abundant number, since it is smaller than the sum of its proper divisors (24124228890).

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

23041221222 is a wasteful number, since it uses less digits than its factorization.

23041221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21492.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 23041221222 its reverse (22212214032), we get a palindrome (45253435254).

The spelling of 23041221222 in words is "twenty-three billion, forty-one million, two hundred twenty-one thousand, two hundred twenty-two".