214022890 has 8 divisors (see below), whose sum is σ = 385241220. Its totient is φ = 85609152.

The previous prime is 214022869. The next prime is 214022899. The reversal of 214022890 is 98220412.

It can be written as a sum of positive squares in 2 ways, for example, as 195524289 + 18498601 = 13983^2 + 4301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (214022899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10701135 + ... + 10701154.

Almost surely, 2^214022890 is an apocalyptic number.

214022890 is a deficient number, since it is larger than the sum of its proper divisors (171218330).

214022890 is a wasteful number, since it uses less digits than its factorization.

214022890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21402296.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 214022890 is about 14629.5211815015. The cubic root of 214022890 is about 598.1637285040.

The spelling of 214022890 in words is "two hundred fourteen million, twenty-two thousand, eight hundred ninety".