4227520 has 56 divisors (see below), whose sum is σ = 10991088. Its totient is φ = 1536000.

The previous prime is 4227511. The next prime is 4227521. The reversal of 4227520 is 257224.

4227520 = T₃₃₁ + T₃₃₂ + ... + T₃₉₄.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a d-powerful number, because it can be written as 4² + 2⁶ + 2¹⁵ + 7³ + 5² + 2²² + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 4227491 and 4227500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4227521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2920 + ... + 4120.

Almost surely, 2^4227520 is an apocalyptic number.

4227520 is a gapful number since it is divisible by the number (40) 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 4227520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5495544).

4227520 is an abundant number, since it is smaller than the sum of its proper divisors (6763568).

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

4227520 is a wasteful number, since it uses less digits than its factorization.

4227520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 4227520 is about 2056.0933830933. The cubic root of 4227520 is about 161.6944910246.

The spelling of 4227520 in words is "four million, two hundred twenty-seven thousand, five hundred twenty".