22245778902458 has 48 divisors (see below), whose sum is σ = 35439923512224. Its totient is φ = 10465925198400.

The previous prime is 22245778902377. The next prime is 22245778902463. The reversal of 22245778902458 is 85420987754222.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22245778902394 and 22245778902403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10955741 + ... + 12826527.

It is an arithmetic number, because the mean of its divisors is an integer number (738331739838).

Almost surely, 2^{22245778902458} is an apocalyptic number.

22245778902458 is a deficient number, since it is larger than the sum of its proper divisors (13194144609766).

22245778902458 is a wasteful number, since it uses less digits than its factorization.

22245778902458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871007 (or 1870970 counting only the distinct ones).

The product of its (nonzero) digits is 180633600, while the sum is 65.

The spelling of 22245778902458 in words is "twenty-two trillion, two hundred forty-five billion, seven hundred seventy-eight million, nine hundred two thousand, four hundred fifty-eight".