228291698 has 8 divisors (see below), whose sum is σ = 357326208. Its totient is φ = 109182964.

The previous prime is 228291689. The next prime is 228291757. The reversal of 228291698 is 896192822.

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

It is a super-3 number, since 3×228291698³ (a number of 26 digits) contains 333 as substring.

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, 2481386 + ... + 2481477.

It is an arithmetic number, because the mean of its divisors is an integer number (44665776).

Almost surely, 2^228291698 is an apocalyptic number.

228291698 is a deficient number, since it is larger than the sum of its proper divisors (129034510).

228291698 is a wasteful number, since it uses less digits than its factorization.

228291698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962888.

The product of its digits is 248832, while the sum is 47.

The square root of 228291698 is about 15109.3248690999. The cubic root of 228291698 is about 611.1718921388.

The spelling of 228291698 in words is "two hundred twenty-eight million, two hundred ninety-one thousand, six hundred ninety-eight".