16220460 has 48 divisors (see below), whose sum is σ = 46480896. Its totient is φ = 4224192.

The previous prime is 16220459. The next prime is 16220489. The reversal of 16220460 is 6402261.

It is a happy number.

16220460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16220460² = 526206645223200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564 + ... + 5723.

It is an arithmetic number, because the mean of its divisors is an integer number (968352).

Almost surely, 2^16220460 is an apocalyptic number.

16220460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16220460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23240448).

16220460 is an abundant number, since it is smaller than the sum of its proper divisors (30260436).

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

16220460 is a wasteful number, since it uses less digits than its factorization.

16220460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342 (or 6340 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 16220460 is about 4027.4632214336. The cubic root of 16220460 is about 253.1362771991.

The spelling of 16220460 in words is "sixteen million, two hundred twenty thousand, four hundred sixty".