226620305487 has 12 divisors (see below), whose sum is σ = 327913724424. Its totient is φ = 150815611440.

The previous prime is 226620305479. The next prime is 226620305491. The reversal of 226620305487 is 784503026622.

226620305487 is a `hidden beast` number, since 2 + 266 + 2 + 0 + 305 + 4 + 87 = 666.

It is not a de Polignac number, because 226620305487 - 2³ = 226620305479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226620305467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22043928 + ... + 22054205.

It is an arithmetic number, because the mean of its divisors is an integer number (27326143702).

Almost surely, 2^226620305487 is an apocalyptic number.

226620305487 is a deficient number, since it is larger than the sum of its proper divisors (101293418937).

226620305487 is a wasteful number, since it uses less digits than its factorization.

226620305487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44098710 (or 44098707 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 226620305487 in words is "two hundred twenty-six billion, six hundred twenty million, three hundred five thousand, four hundred eighty-seven".