2265624612 has 72 divisors (see below), whose sum is σ = 6089435352. Its totient is φ = 707788800.

The previous prime is 2265624593. The next prime is 2265624667. The reversal of 2265624612 is 2164265622.

2265624612 is a `hidden beast` number, since 2 + 26 + 5 + 624 + 6 + 1 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1193978916 + 1071645696 = 34554^2 + 32736^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139812 + ... + 155172.

It is an arithmetic number, because the mean of its divisors is an integer number (84575491).

Almost surely, 2^2265624612 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 2265624612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3044717676).

2265624612 is an abundant number, since it is smaller than the sum of its proper divisors (3823810740).

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

2265624612 is a wasteful number, since it uses less digits than its factorization.

2265624612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15629 (or 15624 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 2265624612 is about 47598.5778358976. The cubic root of 2265624612 is about 1313.3968931479.

The spelling of 2265624612 in words is "two billion, two hundred sixty-five million, six hundred twenty-four thousand, six hundred twelve".