36221025 has 12 divisors (see below), whose sum is σ = 59885552. Its totient is φ = 19317840.

The previous prime is 36220997. The next prime is 36221077. The reversal of 36221025 is 52012263.

It is not a de Polignac number, because 36221025 - 2⁵ = 36220993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36220992 and 36221010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241399 + ... + 241548.

Almost surely, 2^36221025 is an apocalyptic number.

It is an amenable number.

36221025 is a deficient number, since it is larger than the sum of its proper divisors (23664527).

36221025 is a wasteful number, since it uses less digits than its factorization.

36221025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482960 (or 482955 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 36221025 is about 6018.3905655914. The cubic root of 36221025 is about 330.8670952325.

Adding to 36221025 its reverse (52012263), we get a palindrome (88233288).

The spelling of 36221025 in words is "thirty-six million, two hundred twenty-one thousand, twenty-five".