16228651 has 2 divisors, whose sum is σ = 16228652. Its totient is φ = 16228650.

The previous prime is 16228627. The next prime is 16228669. The reversal of 16228651 is 15682261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16228651 - 2¹³ = 16220459 is a prime.

It is a super-2 number, since 2×16228651² = 526738226559602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16228601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8114325 + 8114326.

It is an arithmetic number, because the mean of its divisors is an integer number (8114326).

Almost surely, 2^16228651 is an apocalyptic number.

16228651 is a deficient number, since it is larger than the sum of its proper divisors (1).

16228651 is an equidigital number, since it uses as much as digits as its factorization.

16228651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 16228651 is about 4028.4799862976. The cubic root of 16228651 is about 253.1788795735.

The spelling of 16228651 in words is "sixteen million, two hundred twenty-eight thousand, six hundred fifty-one".