36622231 has 4 divisors (see below), whose sum is σ = 36634464. Its totient is φ = 36610000.

The previous prime is 36622219. The next prime is 36622237. The reversal of 36622231 is 13222663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 36622231 - 2⁹ = 36621719 is a prime.

It is a super-2 number, since 2×36622231² = 2682375606834722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36622196 and 36622205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36622237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731 + ... + 8731.

It is an arithmetic number, because the mean of its divisors is an integer number (9158616).

Almost surely, 2^36622231 is an apocalyptic number.

36622231 is a deficient number, since it is larger than the sum of its proper divisors (12233).

36622231 is an equidigital number, since it uses as much as digits as its factorization.

36622231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12232.

The product of its digits is 2592, while the sum is 25.

The square root of 36622231 is about 6051.6304414596. The cubic root of 36622231 is about 332.0842403692.

Adding to 36622231 its reverse (13222663), we get a palindrome (49844894).

The spelling of 36622231 in words is "thirty-six million, six hundred twenty-two thousand, two hundred thirty-one".