22245778902394 has 16 divisors (see below), whose sum is σ = 33870581772768. Its totient is φ = 10955622954672.

The previous prime is 22245778902377. The next prime is 22245778902463. The reversal of 22245778902394 is 49320987754222.

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 7 ways as a sum of consecutive naturals, for example, 8317629 + ... + 10661824.

It is an arithmetic number, because the mean of its divisors is an integer number (2116911360798).

Almost surely, 2^{22245778902394} is an apocalyptic number.

22245778902394 is a deficient number, since it is larger than the sum of its proper divisors (11624802870374).

22245778902394 is a wasteful number, since it uses less digits than its factorization.

22245778902394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18988269.

The product of its (nonzero) digits is 121927680, while the sum is 64.

The spelling of 22245778902394 in words is "twenty-two trillion, two hundred forty-five billion, seven hundred seventy-eight million, nine hundred two thousand, three hundred ninety-four".