36211225 has 6 divisors (see below), whose sum is σ = 44901950. Its totient is φ = 28968960.

The previous prime is 36211211. The next prime is 36211277. The reversal of 36211225 is 52211263.

It can be written as a sum of positive squares in 3 ways, for example, as 67081 + 36144144 = 259^2 + 6012^2 .

It is a de Polignac number, because none of the positive numbers 2^k-36211225 is a prime.

It is a super-2 number, since 2×36211225² = 2622505632001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36211196 and 36211205.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 724200 + ... + 724249.

Almost surely, 2^36211225 is an apocalyptic number.

It is an amenable number.

36211225 is a deficient number, since it is larger than the sum of its proper divisors (8690725).

36211225 is a wasteful number, since it uses less digits than its factorization.

36211225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448459 (or 1448454 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 36211225 is about 6017.5763393579. The cubic root of 36211225 is about 330.8372526203.

Adding to 36211225 its reverse (52211263), we get a palindrome (88422488).

The spelling of 36211225 in words is "thirty-six million, two hundred eleven thousand, two hundred twenty-five".