4919220 has 36 divisors (see below), whose sum is σ = 14922180. Its totient is φ = 1311744.

The previous prime is 4919219. The next prime is 4919231. The reversal of 4919220 is 229194.

It can be written as a sum of positive squares in 2 ways, for example, as 2056356 + 2862864 = 1434^2 + 1692^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13485 + ... + 13844.

It is an arithmetic number, because the mean of its divisors is an integer number (414505).

Almost surely, 2^4919220 is an apocalyptic number.

It is an amenable number.

4919220 is an abundant number, since it is smaller than the sum of its proper divisors (10002960).

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

4919220 is a wasteful number, since it uses less digits than its factorization.

4919220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27344 (or 27339 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 4919220 is about 2217.9314687339. The cubic root of 4919220 is about 170.0717113834.

The spelling of 4919220 in words is "four million, nine hundred nineteen thousand, two hundred twenty".