16225470 has 48 divisors (see below), whose sum is σ = 42522480. Its totient is φ = 4292352.

The previous prime is 16225453. The next prime is 16225477. The reversal of 16225470 is 7452261.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16225477) 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, 11862 + ... + 13158.

It is an arithmetic number, because the mean of its divisors is an integer number (885885).

Almost surely, 2^16225470 is an apocalyptic number.

16225470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16225470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21261240).

16225470 is an abundant number, since it is smaller than the sum of its proper divisors (26297010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16225470 is a wasteful number, since it uses less digits than its factorization.

16225470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 16225470 is about 4028.0851530225. The cubic root of 16225470 is about 253.1623365135.

The spelling of 16225470 in words is "sixteen million, two hundred twenty-five thousand, four hundred seventy".