226638502 has 4 divisors (see below), whose sum is σ = 339957756. Its totient is φ = 113319250.

The previous prime is 226638497. The next prime is 226638541. The reversal of 226638502 is 205836622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 205836622 = 2 ⋅102918311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56659624 + ... + 56659627.

It is an arithmetic number, because the mean of its divisors is an integer number (84989439).

Almost surely, 2^226638502 is an apocalyptic number.

226638502 is a deficient number, since it is larger than the sum of its proper divisors (113319254).

226638502 is a wasteful number, since it uses less digits than its factorization.

226638502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113319253.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 226638502 is about 15054.5176608220. The cubic root of 226638502 is about 609.6930301775.

The spelling of 226638502 in words is "two hundred twenty-six million, six hundred thirty-eight thousand, five hundred two".