23221220052222 has 48 divisors (see below), whose sum is σ = 50394598974720. Its totient is φ = 7727799920976.

The previous prime is 23221220052193. The next prime is 23221220052269. The reversal of 23221220052222 is 22225002212232.

23221220052222 is a `hidden beast` number, since 23 + 2 + 212 + 200 + 5 + 2 + 222 = 666.

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, 175152523 + ... + 175285049.

It is an arithmetic number, because the mean of its divisors is an integer number (1049887478640).

Almost surely, 2^{23221220052222} is an apocalyptic number.

23221220052222 is an abundant number, since it is smaller than the sum of its proper divisors (27173378922498).

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

23221220052222 is a wasteful number, since it uses less digits than its factorization.

23221220052222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148317 (or 148314 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 23221220052222 its reverse (22225002212232), we get a palindrome (45446222264454).

The spelling of 23221220052222 in words is "twenty-three trillion, two hundred twenty-one billion, two hundred twenty million, fifty-two thousand, two hundred twenty-two".