226286487 has 32 divisors (see below), whose sum is σ = 393497600. Its totient is φ = 125807904.

The previous prime is 226286479. The next prime is 226286497. The reversal of 226286487 is 784682622.

It is not a de Polignac number, because 226286487 - 2³ = 226286479 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 (226286407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9187 + ... + 23172.

It is an arithmetic number, because the mean of its divisors is an integer number (12296800).

Almost surely, 2^226286487 is an apocalyptic number.

226286487 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

226286487 is a deficient number, since it is larger than the sum of its proper divisors (167211113).

226286487 is a wasteful number, since it uses less digits than its factorization.

226286487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32412 (or 32406 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 226286487 is about 15042.8217765152. The cubic root of 226286487 is about 609.3772081340.

The spelling of 226286487 in words is "two hundred twenty-six million, two hundred eighty-six thousand, four hundred eighty-seven".