363644222 has 4 divisors (see below), whose sum is σ = 545466336. Its totient is φ = 181822110.

The previous prime is 363644221. The next prime is 363644227. The reversal of 363644222 is 222446363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222446363 = 23 ⋅9671581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363644221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90911054 + ... + 90911057.

It is an arithmetic number, because the mean of its divisors is an integer number (136366584).

Almost surely, 2^363644222 is an apocalyptic number.

363644222 is a deficient number, since it is larger than the sum of its proper divisors (181822114).

363644222 is a wasteful number, since it uses less digits than its factorization.

363644222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181822113.

The product of its digits is 41472, while the sum is 32.

The square root of 363644222 is about 19069.4578318315. The cubic root of 363644222 is about 713.7709970789.

The spelling of 363644222 in words is "three hundred sixty-three million, six hundred forty-four thousand, two hundred twenty-two".