228722422 has 8 divisors (see below), whose sum is σ = 343165536. Its totient is φ = 114333912.

The previous prime is 228722413. The next prime is 228722447. The reversal of 228722422 is 224227822.

228722422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733 + ... + 21400.

It is an arithmetic number, because the mean of its divisors is an integer number (42895692).

Almost surely, 2^228722422 is an apocalyptic number.

228722422 is a deficient number, since it is larger than the sum of its proper divisors (114443114).

228722422 is a wasteful number, since it uses less digits than its factorization.

228722422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27302.

The product of its digits is 14336, while the sum is 31.

The square root of 228722422 is about 15123.5717342168. The cubic root of 228722422 is about 611.5560220622.

The spelling of 228722422 in words is "two hundred twenty-eight million, seven hundred twenty-two thousand, four hundred twenty-two".