228197294 has 8 divisors (see below), whose sum is σ = 368626440. Its totient is φ = 105321816.

The previous prime is 228197269. The next prime is 228197311. The reversal of 228197294 is 492791822.

228197294 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, 4388384 + ... + 4388435.

It is an arithmetic number, because the mean of its divisors is an integer number (46078305).

Almost surely, 2^228197294 is an apocalyptic number.

228197294 is a deficient number, since it is larger than the sum of its proper divisors (140429146).

228197294 is a wasteful number, since it uses less digits than its factorization.

228197294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8776834.

The product of its digits is 145152, while the sum is 44.

The square root of 228197294 is about 15106.2005150203. The cubic root of 228197294 is about 611.0876358610.

It can be divided in two parts, 22819729 and 4, that multiplied together give a square (91278916 = 9554²).

The spelling of 228197294 in words is "two hundred twenty-eight million, one hundred ninety-seven thousand, two hundred ninety-four".