214889998 has 4 divisors (see below), whose sum is σ = 322335000. Its totient is φ = 107444998.

The previous prime is 214889993. The next prime is 214889999. The reversal of 214889998 is 899988412.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×214889998² = 92355422480880008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214889993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53722498 + ... + 53722501.

It is an arithmetic number, because the mean of its divisors is an integer number (80583750).

Almost surely, 2^214889998 is an apocalyptic number.

214889998 is a deficient number, since it is larger than the sum of its proper divisors (107445002).

214889998 is a wasteful number, since it uses less digits than its factorization.

214889998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107445001.

The product of its digits is 2985984, while the sum is 58.

The square root of 214889998 is about 14659.1267816333. The cubic root of 214889998 is about 598.9704547752.

The spelling of 214889998 in words is "two hundred fourteen million, eight hundred eighty-nine thousand, nine hundred ninety-eight".