214216654 has 4 divisors (see below), whose sum is σ = 321324984. Its totient is φ = 107108326.

The previous prime is 214216631. The next prime is 214216661. The reversal of 214216654 is 456612412.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53554162 + ... + 53554165.

It is an arithmetic number, because the mean of its divisors is an integer number (80331246).

Almost surely, 2^214216654 is an apocalyptic number.

214216654 is a deficient number, since it is larger than the sum of its proper divisors (107108330).

214216654 is a wasteful number, since it uses less digits than its factorization.

214216654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107108329.

The product of its digits is 11520, while the sum is 31.

The square root of 214216654 is about 14636.1420463181. The cubic root of 214216654 is about 598.3441883870.

The spelling of 214216654 in words is "two hundred fourteen million, two hundred sixteen thousand, six hundred fifty-four".