16225669 has 4 divisors (see below), whose sum is σ = 16570944. Its totient is φ = 15880396.

The previous prime is 16225621. The next prime is 16225681. The reversal of 16225669 is 96652261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96652261 = 43 ⋅2247727.

It is a cyclic number.

It is not a de Polignac number, because 16225669 - 2¹³ = 16217477 is a prime.

It is a super-2 number, since 2×16225669² = 526544668995122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16225169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172567 + ... + 172660.

It is an arithmetic number, because the mean of its divisors is an integer number (4142736).

Almost surely, 2^16225669 is an apocalyptic number.

It is an amenable number.

16225669 is a deficient number, since it is larger than the sum of its proper divisors (345275).

16225669 is an equidigital number, since it uses as much as digits as its factorization.

16225669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345274.

The product of its digits is 38880, while the sum is 37.

The square root of 16225669 is about 4028.1098545099. The cubic root of 16225669 is about 253.1633714933.

The spelling of 16225669 in words is "sixteen million, two hundred twenty-five thousand, six hundred sixty-nine".