36521226 has 64 divisors (see below), whose sum is σ = 94003200. Its totient is φ = 10294128.

The previous prime is 36521203. The next prime is 36521227. The reversal of 36521226 is 62212563.

36521226 is a `hidden beast` number, since 3 + 652 + 1 + 2 + 2 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 36521226.

It is not an unprimeable number, because it can be changed into a prime (36521227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29251 + ... + 30473.

It is an arithmetic number, because the mean of its divisors is an integer number (1468800).

Almost surely, 2^36521226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36521226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47001600).

36521226 is an abundant number, since it is smaller than the sum of its proper divisors (57481974).

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

36521226 is a wasteful number, since it uses less digits than its factorization.

36521226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320 (or 1314 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 36521226 is about 6043.2794077388. The cubic root of 36521226 is about 331.7786604721.

Adding to 36521226 its reverse (62212563), we get a palindrome (98733789).

The spelling of 36521226 in words is "thirty-six million, five hundred twenty-one thousand, two hundred twenty-six".