226388499 has 16 divisors (see below), whose sum is σ = 306444960. Its totient is φ = 148642560.

The previous prime is 226388497. The next prime is 226388537. The reversal of 226388499 is 994883622.

It is not a de Polignac number, because 226388499 - 2¹ = 226388497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226388497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72429 + ... + 75489.

It is an arithmetic number, because the mean of its divisors is an integer number (19152810).

Almost surely, 2^226388499 is an apocalyptic number.

226388499 is a deficient number, since it is larger than the sum of its proper divisors (80056461).

226388499 is a wasteful number, since it uses less digits than its factorization.

226388499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430.

The product of its digits is 1492992, while the sum is 51.

The square root of 226388499 is about 15046.2121146819. The cubic root of 226388499 is about 609.4687653006.

The spelling of 226388499 in words is "two hundred twenty-six million, three hundred eighty-eight thousand, four hundred ninety-nine".