16220914 has 4 divisors (see below), whose sum is σ = 24331374. Its totient is φ = 8110456.

The previous prime is 16220899. The next prime is 16220917. The reversal of 16220914 is 41902261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41902261 = 3943 ⋅10627.

It can be written as a sum of positive squares in only one way, i.e., 14190289 + 2030625 = 3767^2 + 1425^2 .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (16220917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4055227 + ... + 4055230.

Almost surely, 2^16220914 is an apocalyptic number.

16220914 is a deficient number, since it is larger than the sum of its proper divisors (8110460).

16220914 is an equidigital number, since it uses as much as digits as its factorization.

16220914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8110459.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16220914 is about 4027.5195840616. The cubic root of 16220914 is about 253.1386388830.

The spelling of 16220914 in words is "sixteen million, two hundred twenty thousand, nine hundred fourteen".