224166154 has 4 divisors (see below), whose sum is σ = 336249234. Its totient is φ = 112083076.

The previous prime is 224166139. The next prime is 224166157. The reversal of 224166154 is 451661422.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 135373225 + 88792929 = 11635^2 + 9423^2 .

It is a Smith number, since the sum of its digits (31) 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 (224166157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56041537 + ... + 56041540.

Almost surely, 2^224166154 is an apocalyptic number.

224166154 is a deficient number, since it is larger than the sum of its proper divisors (112083080).

224166154 is a wasteful number, since it uses less digits than its factorization.

224166154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112083079.

The product of its digits is 11520, while the sum is 31.

The square root of 224166154 is about 14972.1793336842. The cubic root of 224166154 is about 607.4679183948.

The spelling of 224166154 in words is "two hundred twenty-four million, one hundred sixty-six thousand, one hundred fifty-four".