221423014 has 16 divisors (see below), whose sum is σ = 340104960. Its totient is φ = 108085320.

The previous prime is 221423009. The next prime is 221423023. The reversal of 221423014 is 410324122.

221423014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221423014² = 98056302257688392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221422982 and 221423000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7057 + ... + 22195.

It is an arithmetic number, because the mean of its divisors is an integer number (21256560).

Almost surely, 2^221423014 is an apocalyptic number.

221423014 is a deficient number, since it is larger than the sum of its proper divisors (118681946).

221423014 is a wasteful number, since it uses less digits than its factorization.

221423014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15315.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 221423014 is about 14880.2894461096. The cubic root of 221423014 is about 604.9798631824.

Adding to 221423014 its reverse (410324122), we get a palindrome (631747136).

The spelling of 221423014 in words is "two hundred twenty-one million, four hundred twenty-three thousand, fourteen".