2220000724 has 12 divisors (see below), whose sum is σ = 3909747604. Its totient is φ = 1102929984.

The previous prime is 2220000677. The next prime is 2220000749. The reversal of 2220000724 is 4270000222.

It can be written as a sum of positive squares in 2 ways, for example, as 1301910724 + 918090000 = 36082^2 + 30300^2 .

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, 1766889 + ... + 1768144.

Almost surely, 2^2220000724 is an apocalyptic number.

It is an amenable number.

2220000724 is a deficient number, since it is larger than the sum of its proper divisors (1689746880).

2220000724 is a wasteful number, since it uses less digits than its factorization.

2220000724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535194 (or 3535192 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2220000724 is about 47116.8836405805. The cubic root of 2220000724 is about 1304.5208918332.

Adding to 2220000724 its reverse (4270000222), we get a palindrome (6490000946).

The spelling of 2220000724 in words is "two billion, two hundred twenty million, seven hundred twenty-four", and thus it is an aban number.