22051342452 has 48 divisors (see below), whose sum is σ = 51780036672. Its totient is φ = 7303860480.

The previous prime is 22051342429. The next prime is 22051342457. The reversal of 22051342452 is 25424315022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22051342457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1646728 + ... + 1660064.

It is an arithmetic number, because the mean of its divisors is an integer number (1078750764).

Almost surely, 2^22051342452 is an apocalyptic number.

It is an amenable number.

22051342452 is an abundant number, since it is smaller than the sum of its proper divisors (29728694220).

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

22051342452 is a wasteful number, since it uses less digits than its factorization.

22051342452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14208 (or 14206 counting only the distinct ones).

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

Adding to 22051342452 its reverse (25424315022), we get a palindrome (47475657474).

The spelling of 22051342452 in words is "twenty-two billion, fifty-one million, three hundred forty-two thousand, four hundred fifty-two".