226623406 has 4 divisors (see below), whose sum is σ = 339935112. Its totient is φ = 113311702.

The previous prime is 226623391. The next prime is 226623433. The reversal of 226623406 is 604326622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604326622 = 2 ⋅302163311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56655850 + ... + 56655853.

It is an arithmetic number, because the mean of its divisors is an integer number (84983778).

Almost surely, 2^226623406 is an apocalyptic number.

226623406 is a deficient number, since it is larger than the sum of its proper divisors (113311706).

226623406 is a wasteful number, since it uses less digits than its factorization.

226623406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113311705.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 226623406 is about 15054.0162747355. The cubic root of 226623406 is about 609.6794930096.

The spelling of 226623406 in words is "two hundred twenty-six million, six hundred twenty-three thousand, four hundred six".