214220538 has 48 divisors (see below), whose sum is σ = 550105920. Its totient is φ = 61204896.

The previous prime is 214220483. The next prime is 214220599. The reversal of 214220538 is 835022412.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28083 + ... + 34886.

It is an arithmetic number, because the mean of its divisors is an integer number (11460540).

Almost surely, 2^214220538 is an apocalyptic number.

214220538 is an abundant number, since it is smaller than the sum of its proper divisors (335885382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214220538 is an equidigital number, since it uses as much as digits as its factorization.

214220538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62993 (or 62981 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 214220538 is about 14636.2747309553. The cubic root of 214220538 is about 598.3478045932.

The spelling of 214220538 in words is "two hundred fourteen million, two hundred twenty thousand, five hundred thirty-eight".