22123000502 has 4 divisors (see below), whose sum is σ = 33184500756. Its totient is φ = 11061500250.

The previous prime is 22123000483. The next prime is 22123000573. The reversal of 22123000502 is 20500032122.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22123000502² (a number of 21 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 as a sum of consecutive naturals, namely, 5530750124 + ... + 5530750127.

It is an arithmetic number, because the mean of its divisors is an integer number (8296125189).

Almost surely, 2^22123000502 is an apocalyptic number.

22123000502 is a deficient number, since it is larger than the sum of its proper divisors (11061500254).

22123000502 is a wasteful number, since it uses less digits than its factorization.

22123000502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061500253.

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 22123000502 its reverse (20500032122), we get a palindrome (42623032624).

The spelling of 22123000502 in words is "twenty-two billion, one hundred twenty-three million, five hundred two", and thus it is an aban number.