226049987 has 2 divisors, whose sum is σ = 226049988. Its totient is φ = 226049986.

The previous prime is 226049981. The next prime is 226050089. The reversal of 226049987 is 789940622.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226049987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226049981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113024993 + 113024994.

It is an arithmetic number, because the mean of its divisors is an integer number (113024994).

Almost surely, 2^226049987 is an apocalyptic number.

226049987 is a deficient number, since it is larger than the sum of its proper divisors (1).

226049987 is an equidigital number, since it uses as much as digits as its factorization.

226049987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 226049987 is about 15034.9588293417. The cubic root of 226049987 is about 609.1648402513.

The spelling of 226049987 in words is "two hundred twenty-six million, forty-nine thousand, nine hundred eighty-seven".