214220402 has 32 divisors (see below), whose sum is σ = 370025280. Its totient is φ = 91990080.

The previous prime is 214220401. The next prime is 214220411. The reversal of 214220402 is 204022412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (214220401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282608 + ... + 283364.

It is an arithmetic number, because the mean of its divisors is an integer number (11563290).

Almost surely, 2^214220402 is an apocalyptic number.

214220402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

214220402 is a deficient number, since it is larger than the sum of its proper divisors (155804878).

214220402 is a wasteful number, since it uses less digits than its factorization.

214220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 214220402 is about 14636.2700849636. The cubic root of 214220402 is about 598.3476779709.

Adding to 214220402 its reverse (204022412), we get a palindrome (418242814).

The spelling of 214220402 in words is "two hundred fourteen million, two hundred twenty thousand, four hundred two".