36221774 has 4 divisors (see below), whose sum is σ = 54332664. Its totient is φ = 18110886.

The previous prime is 36221761. The next prime is 36221777. The reversal of 36221774 is 47712263.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 36221774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36221777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9055442 + ... + 9055445.

It is an arithmetic number, because the mean of its divisors is an integer number (13583166).

Almost surely, 2^36221774 is an apocalyptic number.

36221774 is a deficient number, since it is larger than the sum of its proper divisors (18110890).

36221774 is a wasteful number, since it uses less digits than its factorization.

36221774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18110889.

The product of its digits is 14112, while the sum is 32.

The square root of 36221774 is about 6018.4527912081. The cubic root of 36221774 is about 330.8693758393.

The spelling of 36221774 in words is "thirty-six million, two hundred twenty-one thousand, seven hundred seventy-four".