16225963 has 4 divisors (see below), whose sum is σ = 17474128. Its totient is φ = 14977800.

The previous prime is 16225961. The next prime is 16225969. The reversal of 16225963 is 36952261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36952261 = 269 ⋅137369.

It is a cyclic number.

It is not a de Polignac number, because 16225963 - 2¹ = 16225961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16225961) 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, 624063 + ... + 624088.

It is an arithmetic number, because the mean of its divisors is an integer number (4368532).

Almost surely, 2^16225963 is an apocalyptic number.

16225963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16225963 is a deficient number, since it is larger than the sum of its proper divisors (1248165).

16225963 is a wasteful number, since it uses less digits than its factorization.

16225963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248164.

The product of its digits is 19440, while the sum is 34.

The square root of 16225963 is about 4028.1463478876. The cubic root of 16225963 is about 253.1649005434.

The spelling of 16225963 in words is "sixteen million, two hundred twenty-five thousand, nine hundred sixty-three".