214228890 has 48 divisors (see below), whose sum is σ = 572057928. Its totient is φ = 55582848.

The previous prime is 214228843. The next prime is 214228891. The reversal of 214228890 is 98822412.

It can be written as a sum of positive squares in 4 ways, for example, as 212663889 + 1565001 = 14583^2 + 1251^2 .

It is not an unprimeable number, because it can be changed into a prime (214228891) 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, 28837 + ... + 35496.

Almost surely, 2^214228890 is an apocalyptic number.

214228890 is an abundant number, since it is smaller than the sum of its proper divisors (357829038).

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

214228890 is a wasteful number, since it uses less digits than its factorization.

214228890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64383 (or 64380 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 214228890 is about 14636.5600466776. The cubic root of 214228890 is about 598.3555805920.

The spelling of 214228890 in words is "two hundred fourteen million, two hundred twenty-eight thousand, eight hundred ninety".