224638494 has 16 divisors (see below), whose sum is σ = 449623440. Its totient is φ = 74821760.

The previous prime is 224638487. The next prime is 224638499. The reversal of 224638494 is 494836422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224638499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5589 + ... + 21920.

It is an arithmetic number, because the mean of its divisors is an integer number (28101465).

Almost surely, 2^224638494 is an apocalyptic number.

224638494 is an abundant number, since it is smaller than the sum of its proper divisors (224984946).

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

224638494 is a wasteful number, since it uses less digits than its factorization.

224638494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28875.

The product of its digits is 331776, while the sum is 42.

The square root of 224638494 is about 14987.9449558637. The cubic root of 224638494 is about 607.8942838328.

The spelling of 224638494 in words is "two hundred twenty-four million, six hundred thirty-eight thousand, four hundred ninety-four".