226352978 has 8 divisors (see below), whose sum is σ = 339593472. Its totient is φ = 113155156.

The previous prime is 226352941. The next prime is 226352981. The reversal of 226352978 is 879253622.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14051 + ... + 25497.

It is an arithmetic number, because the mean of its divisors is an integer number (42449184).

Almost surely, 2^226352978 is an apocalyptic number.

226352978 is a deficient number, since it is larger than the sum of its proper divisors (113240494).

226352978 is a wasteful number, since it uses less digits than its factorization.

226352978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21336.

The product of its digits is 362880, while the sum is 44.

The square root of 226352978 is about 15045.0316716184. The cubic root of 226352978 is about 609.4368878385.

The spelling of 226352978 in words is "two hundred twenty-six million, three hundred fifty-two thousand, nine hundred seventy-eight".