22451234502 has 16 divisors (see below), whose sum is σ = 44905912560. Its totient is φ = 7483170912.

The previous prime is 22451234479. The next prime is 22451234521. The reversal of 22451234502 is 20543215422.

It is a self number, because there is not a number n which added to its sum of digits gives 22451234502.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 54477 + ... + 218792.

It is an arithmetic number, because the mean of its divisors is an integer number (2806619535).

Almost surely, 2^22451234502 is an apocalyptic number.

22451234502 is an abundant number, since it is smaller than the sum of its proper divisors (22454678058).

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

22451234502 is a wasteful number, since it uses less digits than its factorization.

22451234502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286967.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22451234502 its reverse (20543215422), we get a palindrome (42994449924).

The spelling of 22451234502 in words is "twenty-two billion, four hundred fifty-one million, two hundred thirty-four thousand, five hundred two".