2243624652 has 72 divisors (see below), whose sum is σ = 6067858160. Its totient is φ = 696885120.

The previous prime is 2243624641. The next prime is 2243624653. The reversal of 2243624652 is 2564263422.

2243624652 is a `hidden beast` number, since 2 + 24 + 3 + 624 + 6 + 5 + 2 = 666.

It is a super-2 number, since 2×2243624652² = 10067703158124242208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2243624653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14838 + ... + 68610.

Almost surely, 2^2243624652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243624652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3033929080).

2243624652 is an abundant number, since it is smaller than the sum of its proper divisors (3824233508).

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

2243624652 is a wasteful number, since it uses less digits than its factorization.

2243624652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53863 (or 53858 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 2243624652 is about 47366.9151623789. The cubic root of 2243624652 is about 1309.1318864330.

The spelling of 2243624652 in words is "two billion, two hundred forty-three million, six hundred twenty-four thousand, six hundred fifty-two".