226430387 has 4 divisors (see below), whose sum is σ = 228507840. Its totient is φ = 224352936.

The previous prime is 226430371. The next prime is 226430401. The reversal of 226430387 is 783034622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226430387 - 2⁴ = 226430371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226430887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038563 + ... + 1038780.

It is an arithmetic number, because the mean of its divisors is an integer number (57126960).

Almost surely, 2^226430387 is an apocalyptic number.

226430387 is a deficient number, since it is larger than the sum of its proper divisors (2077453).

226430387 is a wasteful number, since it uses less digits than its factorization.

226430387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077452.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 226430387 is about 15047.6040285489. The cubic root of 226430387 is about 609.5063523885.

The spelling of 226430387 in words is "two hundred twenty-six million, four hundred thirty thousand, three hundred eighty-seven".