224001478 has 8 divisors (see below), whose sum is σ = 345083472. Its totient is φ = 108973656.

The previous prime is 224001473. The next prime is 224001509. The reversal of 224001478 is 874100422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224001473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513450 + ... + 1513597.

It is an arithmetic number, because the mean of its divisors is an integer number (43135434).

Almost surely, 2^224001478 is an apocalyptic number.

224001478 is a deficient number, since it is larger than the sum of its proper divisors (121081994).

224001478 is a wasteful number, since it uses less digits than its factorization.

224001478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027086.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 224001478 is about 14966.6789235288. The cubic root of 224001478 is about 607.3191301098.

The spelling of 224001478 in words is "two hundred twenty-four million, one thousand, four hundred seventy-eight".