222481478 has 4 divisors (see below), whose sum is σ = 333722220. Its totient is φ = 111240738.

The previous prime is 222481477. The next prime is 222481489. The reversal of 222481478 is 874184222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222481477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55620368 + ... + 55620371.

It is an arithmetic number, because the mean of its divisors is an integer number (83430555).

Almost surely, 2^222481478 is an apocalyptic number.

222481478 is a deficient number, since it is larger than the sum of its proper divisors (111240742).

222481478 is a wasteful number, since it uses less digits than its factorization.

222481478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111240741.

The product of its digits is 57344, while the sum is 38.

The square root of 222481478 is about 14915.8130184043. The cubic root of 222481478 is about 605.9423222417.

The spelling of 222481478 in words is "two hundred twenty-two million, four hundred eighty-one thousand, four hundred seventy-eight".