228499651 has 4 divisors (see below), whose sum is σ = 228668904. Its totient is φ = 228330400.

The previous prime is 228499637. The next prime is 228499657. The reversal of 228499651 is 156994822.

228499651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 228499651 - 2¹¹ = 228497603 is a prime.

It is a super-3 number, since 3×228499651³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228499657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82585 + ... + 85306.

It is an arithmetic number, because the mean of its divisors is an integer number (57167226).

Almost surely, 2^228499651 is an apocalyptic number.

228499651 is a deficient number, since it is larger than the sum of its proper divisors (169253).

228499651 is a wasteful number, since it uses less digits than its factorization.

228499651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169252.

The product of its digits is 311040, while the sum is 46.

The square root of 228499651 is about 15116.2049139326. The cubic root of 228499651 is about 611.3574098462.

The spelling of 228499651 in words is "two hundred twenty-eight million, four hundred ninety-nine thousand, six hundred fifty-one".