228207154 has 8 divisors (see below), whose sum is σ = 391212288. Its totient is φ = 97803060.

The previous prime is 228207131. The next prime is 228207179. The reversal of 228207154 is 451702822.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8150242 + ... + 8150269.

It is an arithmetic number, because the mean of its divisors is an integer number (48901536).

Almost surely, 2^228207154 is an apocalyptic number.

228207154 is a deficient number, since it is larger than the sum of its proper divisors (163005134).

228207154 is a wasteful number, since it uses less digits than its factorization.

228207154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16300520.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 228207154 is about 15106.5268675497. The cubic root of 228207154 is about 611.0964370716.

Adding to 228207154 its reverse (451702822), we get a palindrome (679909976).

The spelling of 228207154 in words is "two hundred twenty-eight million, two hundred seven thousand, one hundred fifty-four".