227221444 has 24 divisors (see below), whose sum is σ = 411665408. Its totient is φ = 109624320.

The previous prime is 227221429. The next prime is 227221447. The reversal of 227221444 is 444122722.

It is a super-2 number, since 2×227221444² = 103259169226890272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (227221447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43012 + ... + 48004.

Almost surely, 2^227221444 is an apocalyptic number.

It is an amenable number.

227221444 is a deficient number, since it is larger than the sum of its proper divisors (184443964).

227221444 is a wasteful number, since it uses less digits than its factorization.

227221444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395 (or 5393 counting only the distinct ones).

The product of its digits is 7168, while the sum is 28.

The square root of 227221444 is about 15073.8662591918. The cubic root of 227221444 is about 610.2153176996.

It can be divided in two parts, 2272 and 21444, that added together give a square (23716 = 154²).

The spelling of 227221444 in words is "two hundred twenty-seven million, two hundred twenty-one thousand, four hundred forty-four".