22212045502 has 8 divisors (see below), whose sum is σ = 33320152800. Its totient is φ = 11105327904.

The previous prime is 22212045467. The next prime is 22212045509. The reversal of 22212045502 is 20554021222.

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 (22212045509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306502 + ... + 371977.

It is an arithmetic number, because the mean of its divisors is an integer number (4165019100).

Almost surely, 2^22212045502 is an apocalyptic number.

22212045502 is a deficient number, since it is larger than the sum of its proper divisors (11108107298).

22212045502 is a wasteful number, since it uses less digits than its factorization.

22212045502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694850.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 22212045502 its reverse (20554021222), we get a palindrome (42766066724).

The spelling of 22212045502 in words is "twenty-two billion, two hundred twelve million, forty-five thousand, five hundred two".