227421887 has 48 divisors (see below), whose sum is σ = 310262400. Its totient is φ = 164324160.

The previous prime is 227421863. The next prime is 227421889. The reversal of 227421887 is 788124722.

It is not a de Polignac number, because 227421887 - 2¹² = 227417791 is a prime.

It is a super-3 number, since 3×227421887³ (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227421889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 542564 + ... + 542982.

It is an arithmetic number, because the mean of its divisors is an integer number (6463800).

Almost surely, 2^227421887 is an apocalyptic number.

227421887 is a deficient number, since it is larger than the sum of its proper divisors (82840513).

227421887 is a wasteful number, since it uses less digits than its factorization.

227421887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 509 counting only the distinct ones).

The product of its digits is 100352, while the sum is 41.

The square root of 227421887 is about 15080.5134859527. The cubic root of 227421887 is about 610.3946984221.

The spelling of 227421887 in words is "two hundred twenty-seven million, four hundred twenty-one thousand, eight hundred eighty-seven".