1225287184 has 40 divisors (see below), whose sum is σ = 2592101952. Its totient is φ = 556456320.

The previous prime is 1225287169. The next prime is 1225287187. The reversal of 1225287184 is 4817825221.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1225287187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260437 + ... + 265099.

Almost surely, 2^1225287184 is an apocalyptic number.

It is an amenable number.

1225287184 is an abundant number, since it is smaller than the sum of its proper divisors (1366814768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225287184 is a wasteful number, since it uses less digits than its factorization.

1225287184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175 (or 6169 counting only the distinct ones).

The product of its digits is 71680, while the sum is 40.

The square root of 1225287184 is about 35004.1023881487. The cubic root of 1225287184 is about 1070.0710885311.

The spelling of 1225287184 in words is "one billion, two hundred twenty-five million, two hundred eighty-seven thousand, one hundred eighty-four".