228178622 has 16 divisors (see below), whose sum is σ = 391443840. Its totient is φ = 97720728.

The previous prime is 228178609. The next prime is 228178633. The reversal of 228178622 is 226871822.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17633 + ... + 27699.

It is an arithmetic number, because the mean of its divisors is an integer number (24465240).

Almost surely, 2^228178622 is an apocalyptic number.

228178622 is a deficient number, since it is larger than the sum of its proper divisors (163265218).

228178622 is a wasteful number, since it uses less digits than its factorization.

228178622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11695.

The product of its digits is 43008, while the sum is 38.

The square root of 228178622 is about 15105.5824780112. The cubic root of 228178622 is about 611.0709682086.

The spelling of 228178622 in words is "two hundred twenty-eight million, one hundred seventy-eight thousand, six hundred twenty-two".