224155205400000 has 336 divisors, whose sum is σ = 847199097787392. Its totient is φ = 51235474560000.

The previous prime is 224155205399963. The next prime is 224155205400029. The reversal of 224155205400000 is 4502551422.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×224155205400000² (a number of 30 digits) contains 22 as substring.

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, 22485144 + ... + 30885143.

It is an arithmetic number, because the mean of its divisors is an integer number (2521425886272).

Almost surely, 2^{224155205400000} is an apocalyptic number.

224155205400000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224155205400000 is an abundant number, since it is smaller than the sum of its proper divisors (623043892387392).

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

224155205400000 is an frugal number, since it uses more digits than its factorization.

224155205400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53370334 (or 53370304 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 224155205400000 its reverse (4502551422), we get a palindrome (224159707951422).

The spelling of 224155205400000 in words is "two hundred twenty-four trillion, one hundred fifty-five billion, two hundred five million, four hundred thousand".