22152312502 has 8 divisors (see below), whose sum is σ = 35183084616. Its totient is φ = 10424617632.

The previous prime is 22152312467. The next prime is 22152312503. The reversal of 22152312502 is 20521325122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22152312503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325769268 + ... + 325769335.

It is an arithmetic number, because the mean of its divisors is an integer number (4397885577).

Almost surely, 2^22152312502 is an apocalyptic number.

22152312502 is a deficient number, since it is larger than the sum of its proper divisors (13030772114).

22152312502 is a wasteful number, since it uses less digits than its factorization.

22152312502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651538622.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 22152312502 its reverse (20521325122), we get a palindrome (42673637624).

The spelling of 22152312502 in words is "twenty-two billion, one hundred fifty-two million, three hundred twelve thousand, five hundred two".