23215254222402 has 48 divisors (see below), whose sum is σ = 55415710396800. Its totient is φ = 6965272788000.

The previous prime is 23215254222371. The next prime is 23215254222403. The reversal of 23215254222402 is 20422245251232.

23215254222402 is a `hidden beast` number, since 2 + 3 + 2 + 1 + 5 + 25 + 4 + 222 + 402 = 666.

It is a super-2 number, since 2×23215254222402² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23215254222403) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 580419402 + ... + 580459397.

It is an arithmetic number, because the mean of its divisors is an integer number (1154493966600).

Almost surely, 2^{23215254222402} is an apocalyptic number.

23215254222402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23215254222402 is an abundant number, since it is smaller than the sum of its proper divisors (32200456174398).

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

23215254222402 is a wasteful number, since it uses less digits than its factorization.

23215254222402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160878919 (or 1160878916 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 23215254222402 its reverse (20422245251232), we get a palindrome (43637499473634).

The spelling of 23215254222402 in words is "twenty-three trillion, two hundred fifteen billion, two hundred fifty-four million, two hundred twenty-two thousand, four hundred two".