2245521004 has 24 divisors (see below), whose sum is σ = 4316336640. Its totient is φ = 1017420624.

The previous prime is 2245520989. The next prime is 2245521029. The reversal of 2245521004 is 4001255422.

It is a self number, because there is not a number n which added to its sum of digits gives 2245521004.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 640564 + ... + 644059.

It is an arithmetic number, because the mean of its divisors is an integer number (179847360).

Almost surely, 2^2245521004 is an apocalyptic number.

It is an amenable number.

2245521004 is a deficient number, since it is larger than the sum of its proper divisors (2070815636).

2245521004 is a wasteful number, since it uses less digits than its factorization.

2245521004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284669 (or 1284667 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2245521004 is about 47386.9286196099. The cubic root of 2245521004 is about 1309.5006165231.

Adding to 2245521004 its reverse (4001255422), we get a palindrome (6246776426).

The spelling of 2245521004 in words is "two billion, two hundred forty-five million, five hundred twenty-one thousand, four".