366405225 has 24 divisors (see below), whose sum is σ = 608889600. Its totient is φ = 194416320.

The previous prime is 366405217. The next prime is 366405241. The reversal of 366405225 is 522504663.

It is not a de Polignac number, because 366405225 - 2³ = 366405217 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2376 + ... + 27174.

It is an arithmetic number, because the mean of its divisors is an integer number (25370400).

Almost surely, 2^366405225 is an apocalyptic number.

It is an amenable number.

366405225 is a deficient number, since it is larger than the sum of its proper divisors (242484375).

366405225 is a wasteful number, since it uses less digits than its factorization.

366405225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25009 (or 25004 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 366405225 is about 19141.7142649241. The cubic root of 366405225 is about 715.5729022033.

Adding to 366405225 its reverse (522504663), we get a palindrome (888909888).

The spelling of 366405225 in words is "three hundred sixty-six million, four hundred five thousand, two hundred twenty-five".