2001562228 has 12 divisors (see below), whose sum is σ = 3525045412. Its totient is φ = 994406400.

The previous prime is 2001562219. The next prime is 2001562267. The reversal of 2001562228 is 8222651002.

It can be written as a sum of positive squares in 2 ways, for example, as 869778064 + 1131784164 = 29492^2 + 33642^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2001562196 and 2001562205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592973 + ... + 1594228.

Almost surely, 2^2001562228 is an apocalyptic number.

It is an amenable number.

2001562228 is a deficient number, since it is larger than the sum of its proper divisors (1523483184).

2001562228 is a wasteful number, since it uses less digits than its factorization.

2001562228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187362 (or 3187360 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2001562228 is about 44738.8223805679. The cubic root of 2001562228 is about 1260.2490118415.

The spelling of 2001562228 in words is "two billion, one million, five hundred sixty-two thousand, two hundred twenty-eight".