224796780 has 144 divisors (see below), whose sum is σ = 777669984. Its totient is φ = 52070400.

The previous prime is 224796757. The next prime is 224796787. The reversal of 224796780 is 87697422.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (224796787) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36955 + ... + 42605.

It is an arithmetic number, because the mean of its divisors is an integer number (5400486).

Almost surely, 2^224796780 is an apocalyptic number.

224796780 is a gapful number since it is divisible by the number (20) 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 224796780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388834992).

224796780 is an abundant number, since it is smaller than the sum of its proper divisors (552873204).

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

224796780 is a wasteful number, since it uses less digits than its factorization.

224796780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696 (or 5691 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 224796780 is about 14993.2244697397. The cubic root of 224796780 is about 608.0370295718.

The spelling of 224796780 in words is "two hundred twenty-four million, seven hundred ninety-six thousand, seven hundred eighty".