16222265400 has 192 divisors, whose sum is σ = 54932734080. Its totient is φ = 3927513600.

The previous prime is 16222265377. The next prime is 16222265429. The reversal of 16222265400 is 456222261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8163207 + ... + 8165193.

It is an arithmetic number, because the mean of its divisors is an integer number (286107990).

Almost surely, 2^16222265400 is an apocalyptic number.

16222265400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16222265400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27466367040).

16222265400 is an abundant number, since it is smaller than the sum of its proper divisors (38710468680).

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

16222265400 is a wasteful number, since it uses less digits than its factorization.

16222265400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254 (or 3245 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 16222265400 its reverse (456222261), we get a palindrome (16678487661).

The spelling of 16222265400 in words is "sixteen billion, two hundred twenty-two million, two hundred sixty-five thousand, four hundred".