214227442 has 48 divisors (see below), whose sum is σ = 383052672. Its totient is φ = 89069760.

The previous prime is 214227323. The next prime is 214227449. The reversal of 214227442 is 244722412.

It is a self number, because there is not a number n which added to its sum of digits gives 214227442.

It is not an unprimeable number, because it can be changed into a prime (214227449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 583543 + ... + 583909.

It is an arithmetic number, because the mean of its divisors is an integer number (7980264).

Almost surely, 2^214227442 is an apocalyptic number.

214227442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

214227442 is a deficient number, since it is larger than the sum of its proper divisors (168825230).

214227442 is a wasteful number, since it uses less digits than its factorization.

214227442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 550 counting only the distinct ones).

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

The square root of 214227442 is about 14636.5105814193. The cubic root of 214227442 is about 598.3542324688.

Adding to 214227442 its reverse (244722412), we get a palindrome (458949854).

It can be divided in two parts, 2142 and 27442, that added together give a square (29584 = 172²).

The spelling of 214227442 in words is "two hundred fourteen million, two hundred twenty-seven thousand, four hundred forty-two".