2245204340 has 24 divisors (see below), whose sum is σ = 4919927040. Its totient is φ = 859034528.

The previous prime is 2245204337. The next prime is 2245204343. The reversal of 2245204340 is 434025422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2245204337) and next prime (2245204343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245204343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2439980 + ... + 2440899.

It is an arithmetic number, because the mean of its divisors is an integer number (204996960).

Almost surely, 2^2245204340 is an apocalyptic number.

2245204340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2245204340 is an abundant number, since it is smaller than the sum of its proper divisors (2674722700).

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

2245204340 is a wasteful number, since it uses less digits than its factorization.

2245204340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880911 (or 4880909 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2245204340 is about 47383.5872428418. The cubic root of 2245204340 is about 1309.4390582483.

Adding to 2245204340 its reverse (434025422), we get a palindrome (2679229762).

The spelling of 2245204340 in words is "two billion, two hundred forty-five million, two hundred four thousand, three hundred forty".