227815964 has 12 divisors (see below), whose sum is σ = 399222600. Its totient is φ = 113752368.

The previous prime is 227815961. The next prime is 227815969. The reversal of 227815964 is 469518722.

It is a happy number.

It is a super-2 number, since 2×227815964² = 103800226906498592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227815961) 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, 35579 + ... + 41490.

It is an arithmetic number, because the mean of its divisors is an integer number (33268550).

Almost surely, 2^227815964 is an apocalyptic number.

It is an amenable number.

227815964 is a deficient number, since it is larger than the sum of its proper divisors (171406636).

227815964 is a wasteful number, since it uses less digits than its factorization.

227815964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77812 (or 77810 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 227815964 is about 15093.5735993833. The cubic root of 227815964 is about 610.7470592713.

The spelling of 227815964 in words is "two hundred twenty-seven million, eight hundred fifteen thousand, nine hundred sixty-four".