23222002315452 has 48 divisors (see below), whose sum is σ = 55218323855520. Its totient is φ = 7593062683648.

The previous prime is 23222002315427. The next prime is 23222002315483. The reversal of 23222002315452 is 25451320022232.

It is a happy number.

It is a super-2 number, since 2×23222002315452² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624753 + ... + 6843560.

It is an arithmetic number, because the mean of its divisors is an integer number (1150381746990).

Almost surely, 2^{23222002315452} is an apocalyptic number.

It is an amenable number.

23222002315452 is an abundant number, since it is smaller than the sum of its proper divisors (31996321540068).

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

23222002315452 is a wasteful number, since it uses less digits than its factorization.

23222002315452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473262 (or 7473260 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 23222002315452 its reverse (25451320022232), we get a palindrome (48673322337684).

The spelling of 23222002315452 in words is "twenty-three trillion, two hundred twenty-two billion, two million, three hundred fifteen thousand, four hundred fifty-two".