2245221524 has 48 divisors (see below), whose sum is σ = 4840416000. Its totient is φ = 887383296.

The previous prime is 2245221493. The next prime is 2245221529. The reversal of 2245221524 is 4251225422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245221529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507032 + ... + 511440.

It is an arithmetic number, because the mean of its divisors is an integer number (100842000).

Almost surely, 2^2245221524 is an apocalyptic number.

It is an amenable number.

2245221524 is an abundant number, since it is smaller than the sum of its proper divisors (2595194476).

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

2245221524 is a wasteful number, since it uses less digits than its factorization.

2245221524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832 (or 5830 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 2245221524 is about 47383.7685711046. The cubic root of 2245221524 is about 1309.4423989009.

Adding to 2245221524 its reverse (4251225422), we get a palindrome (6496446946).

The spelling of 2245221524 in words is "two billion, two hundred forty-five million, two hundred twenty-one thousand, five hundred twenty-four".