224544222445428 has 240 divisors, whose sum is σ = 650788833784320. Its totient is φ = 67191825070656.

The previous prime is 224544222445399. The next prime is 224544222445429. The reversal of 224544222445428 is 824544222445422.

224544222445428 is a `hidden beast` number, since 2 + 2 + 4 + 54 + 4 + 2 + 2 + 2 + 44 + 542 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224544222445429) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7739175 + ... + 22560657.

It is an arithmetic number, because the mean of its divisors is an integer number (2711620140768).

Almost surely, 2^{224544222445428} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224544222445428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325394416892160).

224544222445428 is an abundant number, since it is smaller than the sum of its proper divisors (426244611338892).

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

224544222445428 is a wasteful number, since it uses less digits than its factorization.

224544222445428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14821648 (or 14821637 counting only the distinct ones).

The product of its digits is 52428800, while the sum is 54.

The spelling of 224544222445428 in words is "two hundred twenty-four trillion, five hundred forty-four billion, two hundred twenty-two million, four hundred forty-five thousand, four hundred twenty-eight".