36432220 has 24 divisors (see below), whose sum is σ = 83463408. Its totient is φ = 13248000.

The previous prime is 36432203. The next prime is 36432229. The reversal of 36432220 is 2223463.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 36432191 and 36432200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36432229) 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, 82581 + ... + 83020.

It is an arithmetic number, because the mean of its divisors is an integer number (3477642).

Almost surely, 2^36432220 is an apocalyptic number.

It is an amenable number.

36432220 is an abundant number, since it is smaller than the sum of its proper divisors (47031188).

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

36432220 is a wasteful number, since it uses less digits than its factorization.

36432220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165621 (or 165619 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 36432220 is about 6035.9108674665. The cubic root of 36432220 is about 331.5089149325.

Adding to 36432220 its reverse (2223463), we get a palindrome (38655683).

The spelling of 36432220 in words is "thirty-six million, four hundred thirty-two thousand, two hundred twenty".