36242220 has 48 divisors (see below), whose sum is σ = 115976448. Its totient is φ = 8283840.

The previous prime is 36242209. The next prime is 36242221. The reversal of 36242220 is 2224263.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (36242221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42726 + ... + 43565.

It is an arithmetic number, because the mean of its divisors is an integer number (2416176).

Almost surely, 2^36242220 is an apocalyptic number.

36242220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36242220 is an abundant number, since it is smaller than the sum of its proper divisors (79734228).

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

36242220 is a wasteful number, since it uses less digits than its factorization.

36242220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86310 (or 86308 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 36242220 is about 6020.1511608929. The cubic root of 36242220 is about 330.9316190892.

Adding to 36242220 its reverse (2224263), we get a palindrome (38466483).

The spelling of 36242220 in words is "thirty-six million, two hundred forty-two thousand, two hundred twenty".