36218444 has 12 divisors (see below), whose sum is σ = 63646968. Its totient is φ = 18033600.

The previous prime is 36218443. The next prime is 36218467. The reversal of 36218444 is 44481263.

It is a super-2 number, since 2×36218444² = 2623551371562272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 36218444.

It is not an unprimeable number, because it can be changed into a prime (36218443) 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, 17822 + ... + 19749.

It is an arithmetic number, because the mean of its divisors is an integer number (5303914).

Almost surely, 2^36218444 is an apocalyptic number.

It is an amenable number.

36218444 is a deficient number, since it is larger than the sum of its proper divisors (27428524).

36218444 is a wasteful number, since it uses less digits than its factorization.

36218444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37816 (or 37814 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 36218444 is about 6018.1761356743. The cubic root of 36218444 is about 330.8592361851.

The spelling of 36218444 in words is "thirty-six million, two hundred eighteen thousand, four hundred forty-four".