23415533421222 has 32 divisors (see below), whose sum is σ = 47278321149312. Its totient is φ = 7730664993344.

The previous prime is 23415533421221. The next prime is 23415533421239. The reversal of 23415533421222 is 22212433551432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23415533421221) 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, 524268 + ... + 6863375.

It is an arithmetic number, because the mean of its divisors is an integer number (1477447535916).

Almost surely, 2^{23415533421222} is an apocalyptic number.

23415533421222 is an abundant number, since it is smaller than the sum of its proper divisors (23862787728090).

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

23415533421222 is a wasteful number, since it uses less digits than its factorization.

23415533421222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7392692.

The product of its digits is 345600, while the sum is 39.

Adding to 23415533421222 its reverse (22212433551432), we get a palindrome (45627966972654).

The spelling of 23415533421222 in words is "twenty-three trillion, four hundred fifteen billion, five hundred thirty-three million, four hundred twenty-one thousand, two hundred twenty-two".