36221544 has 24 divisors (see below), whose sum is σ = 98100210. Its totient is φ = 12073824.

The previous prime is 36221519. The next prime is 36221569. The reversal of 36221544 is 44512263.

It is an interprime number because it is at equal distance from previous prime (36221519) and next prime (36221569).

It can be written as a sum of positive squares in only one way, i.e., 35640900 + 580644 = 5970^2 + 762^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 251467 + ... + 251610.

Almost surely, 2^36221544 is an apocalyptic number.

It is an amenable number.

36221544 is an abundant number, since it is smaller than the sum of its proper divisors (61878666).

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

36221544 is a wasteful number, since it uses less digits than its factorization.

36221544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503089 (or 503082 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 36221544 is about 6018.4336832767. The cubic root of 36221544 is about 330.8686755228.

The spelling of 36221544 in words is "thirty-six million, two hundred twenty-one thousand, five hundred forty-four".