14220661 has 24 divisors (see below), whose sum is σ = 18324992. Its totient is φ = 10735200.

The previous prime is 14220631. The next prime is 14220667. The reversal of 14220661 is 16602241.

14220661 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 14220661 - 2⁵ = 14220629 is a prime.

It is a super-3 number, since 3×14220661³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14220667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200256 + ... + 200326.

It is a vampire number, since it can be written as 2201 ⋅ 6461 (with its own digits).

Almost surely, 2^14220661 is an apocalyptic number.

It is an amenable number.

14220661 is a deficient number, since it is larger than the sum of its proper divisors (4104331).

14220661 is an equidigital number, since it uses as much as digits as its factorization.

14220661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 14220661 is about 3771.0291698686. The cubic root of 14220661 is about 242.2738799833.

The spelling of 14220661 in words is "fourteen million, two hundred twenty thousand, six hundred sixty-one".