36220505 has 8 divisors (see below), whose sum is σ = 43626624. Its totient is φ = 28868400.

The previous prime is 36220501. The next prime is 36220511. The reversal of 36220505 is 50502263.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36220505 - 2² = 36220501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36220501) 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, 12011 + ... + 14720.

It is an arithmetic number, because the mean of its divisors is an integer number (5453328).

Almost surely, 2^36220505 is an apocalyptic number.

It is an amenable number.

36220505 is a deficient number, since it is larger than the sum of its proper divisors (7406119).

36220505 is a wasteful number, since it uses less digits than its factorization.

36220505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27007.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 36220505 is about 6018.3473645179. The cubic root of 36220505 is about 330.8655118822.

Adding to 36220505 its reverse (50502263), we get a palindrome (86722768).

The spelling of 36220505 in words is "thirty-six million, two hundred twenty thousand, five hundred five".