222320145494 has 16 divisors (see below), whose sum is σ = 335385353520. Its totient is φ = 110525184000.

The previous prime is 222320145469. The next prime is 222320145559. The reversal of 222320145494 is 494541023222.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3187862 + ... + 3256854.

It is an arithmetic number, because the mean of its divisors is an integer number (20961584595).

Almost surely, 2^222320145494 is an apocalyptic number.

222320145494 is a deficient number, since it is larger than the sum of its proper divisors (113065208026).

222320145494 is a wasteful number, since it uses less digits than its factorization.

222320145494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78175.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 222320145494 in words is "two hundred twenty-two billion, three hundred twenty million, one hundred forty-five thousand, four hundred ninety-four".