20222453244 has 48 divisors (see below), whose sum is σ = 54016704000. Its totient is φ = 5768183616.

The previous prime is 20222453243. The next prime is 20222453291. The reversal of 20222453244 is 44235422202.

It is a super-2 number, since 2×20222453244² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222453243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150639 + ... + 251270.

It is an arithmetic number, because the mean of its divisors is an integer number (1125348000).

Almost surely, 2^20222453244 is an apocalyptic number.

It is an amenable number.

20222453244 is an abundant number, since it is smaller than the sum of its proper divisors (33794250756).

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

20222453244 is a wasteful number, since it uses less digits than its factorization.

20222453244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402522 (or 402520 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 20222453244 its reverse (44235422202), we get a palindrome (64457875446).

The spelling of 20222453244 in words is "twenty billion, two hundred twenty-two million, four hundred fifty-three thousand, two hundred forty-four".