214921292 has 12 divisors (see below), whose sum is σ = 392465136. Its totient is φ = 102788400.

The previous prime is 214921261. The next prime is 214921313. The reversal of 214921292 is 292129412.

214921292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167959 + ... + 1168142.

It is an arithmetic number, because the mean of its divisors is an integer number (32705428).

Almost surely, 2^214921292 is an apocalyptic number.

It is an amenable number.

214921292 is a deficient number, since it is larger than the sum of its proper divisors (177543844).

214921292 is a wasteful number, since it uses less digits than its factorization.

214921292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336128 (or 2336126 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 214921292 is about 14660.1941324118. The cubic root of 214921292 is about 598.9995289864. Note that the first 3 decimals are identical.

The spelling of 214921292 in words is "two hundred fourteen million, nine hundred twenty-one thousand, two hundred ninety-two".