14972220 has 72 divisors (see below), whose sum is σ = 45741696. Its totient is φ = 3964032.

The previous prime is 14972201. The next prime is 14972233. The reversal of 14972220 is 2227941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39954 + ... + 40326.

Almost surely, 2^14972220 is an apocalyptic number.

14972220 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 14972220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22870848).

14972220 is an abundant number, since it is smaller than the sum of its proper divisors (30769476).

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

14972220 is a wasteful number, since it uses less digits than its factorization.

14972220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 14972220 is about 3869.3953015943. The cubic root of 14972220 is about 246.4688658567.

The spelling of 14972220 in words is "fourteen million, nine hundred seventy-two thousand, two hundred twenty".