226040639 has 8 divisors (see below), whose sum is σ = 247047168. Its totient is φ = 205110360.

The previous prime is 226040621. The next prime is 226040651. The reversal of 226040639 is 936040622.

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

It is a cyclic number.

It is not a de Polignac number, because 226040639 - 2⁸ = 226040383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226040039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12767 + ... + 24800.

It is an arithmetic number, because the mean of its divisors is an integer number (30880896).

Almost surely, 2^226040639 is an apocalyptic number.

226040639 is a deficient number, since it is larger than the sum of its proper divisors (21006529).

226040639 is a wasteful number, since it uses less digits than its factorization.

226040639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38125.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 226040639 is about 15034.6479506505. The cubic root of 226040639 is about 609.1564430652.

The spelling of 226040639 in words is "two hundred twenty-six million, forty thousand, six hundred thirty-nine".