228102842451 has 32 divisors (see below), whose sum is σ = 332864034048. Its totient is φ = 137795696640.

The previous prime is 228102842431. The next prime is 228102842477. The reversal of 228102842451 is 154248201822.

It is a happy number.

It is not a de Polignac number, because 228102842451 - 2¹¹ = 228102840403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228102842431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13027935 + ... + 13045431.

It is an arithmetic number, because the mean of its divisors is an integer number (10402001064).

Almost surely, 2^228102842451 is an apocalyptic number.

228102842451 is a deficient number, since it is larger than the sum of its proper divisors (104761191597).

228102842451 is a wasteful number, since it uses less digits than its factorization.

228102842451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18771.

The product of its (nonzero) digits is 81920, while the sum is 39.

The spelling of 228102842451 in words is "two hundred twenty-eight billion, one hundred two million, eight hundred forty-two thousand, four hundred fifty-one".