224334700978 has 4 divisors (see below), whose sum is σ = 336502051470. Its totient is φ = 112167350488.

The previous prime is 224334700969. The next prime is 224334700979. The reversal of 224334700978 is 879007433422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 879007433422 = 2 ⋅439503716711.

It can be written as a sum of positive squares in only one way, i.e., 223347924409 + 986776569 = 472597^2 + 31413^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (224334700979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56083675243 + ... + 56083675246.

Almost surely, 2^224334700978 is an apocalyptic number.

224334700978 is a deficient number, since it is larger than the sum of its proper divisors (112167350492).

224334700978 is a wasteful number, since it uses less digits than its factorization.

224334700978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112167350491.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 224334700978 in words is "two hundred twenty-four billion, three hundred thirty-four million, seven hundred thousand, nine hundred seventy-eight".