226405423642 has 8 divisors (see below), whose sum is σ = 345175482132. Its totient is φ = 111346929600.

The previous prime is 226405423639. The next prime is 226405423661. The reversal of 226405423642 is 246324504622.

It can be written as a sum of positive squares in 2 ways, for example, as 192748218961 + 33657204681 = 439031^2 + 183459^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 226405423595 and 226405423604.

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, 927890959 + ... + 927891202.

Almost surely, 2^226405423642 is an apocalyptic number.

226405423642 is a deficient number, since it is larger than the sum of its proper divisors (118770058490).

226405423642 is a wasteful number, since it uses less digits than its factorization.

226405423642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855782224.

The product of its (nonzero) digits is 552960, while the sum is 40.

The spelling of 226405423642 in words is "two hundred twenty-six billion, four hundred five million, four hundred twenty-three thousand, six hundred forty-two".