2245778902472 has 32 divisors (see below), whose sum is σ = 4812479118720. Its totient is φ = 962457521280.

The previous prime is 2245778902469. The next prime is 2245778902481. The reversal of 2245778902472 is 2742098775422.

It is a happy number.

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, 2646197 + ... + 3390267.

It is an arithmetic number, because the mean of its divisors is an integer number (150389972460).

Almost surely, 2^{2245778902472} is an apocalyptic number.

It is an amenable number.

2245778902472 is an abundant number, since it is smaller than the sum of its proper divisors (2566700216248).

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

2245778902472 is a wasteful number, since it uses less digits than its factorization.

2245778902472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797981 (or 797977 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 59.

The spelling of 2245778902472 in words is "two trillion, two hundred forty-five billion, seven hundred seventy-eight million, nine hundred two thousand, four hundred seventy-two".