2223220394 has 8 divisors (see below), whose sum is σ = 3349393860. Its totient is φ = 1106755776.

The previous prime is 2223220393. The next prime is 2223220423. The reversal of 2223220394 is 4930223222.

It can be written as a sum of positive squares in 2 ways, for example, as 1602961369 + 620259025 = 40037^2 + 24905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2223220393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2426639 + ... + 2427554.

Almost surely, 2^2223220394 is an apocalyptic number.

2223220394 is a deficient number, since it is larger than the sum of its proper divisors (1126173466).

2223220394 is a wasteful number, since it uses less digits than its factorization.

2223220394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854424.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2223220394 is about 47151.0381009793. The cubic root of 2223220394 is about 1305.1512366623.

The spelling of 2223220394 in words is "two billion, two hundred twenty-three million, two hundred twenty thousand, three hundred ninety-four".