36405522 has 24 divisors (see below), whose sum is σ = 80058576. Its totient is φ = 11953656.

The previous prime is 36405511. The next prime is 36405529. The reversal of 36405522 is 22550463.

It is not an unprimeable number, because it can be changed into a prime (36405529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13888 + ... + 16299.

It is an arithmetic number, because the mean of its divisors is an integer number (3335774).

Almost surely, 2^36405522 is an apocalyptic number.

36405522 is an abundant number, since it is smaller than the sum of its proper divisors (43653054).

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

36405522 is a wasteful number, since it uses less digits than its factorization.

36405522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30262 (or 30259 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 36405522 is about 6033.6988655385. The cubic root of 36405522 is about 331.4279171431.

Adding to 36405522 its reverse (22550463), we get a palindrome (58955985).

The spelling of 36405522 in words is "thirty-six million, four hundred five thousand, five hundred twenty-two".