745675222 has 4 divisors (see below), whose sum is σ = 1118512836. Its totient is φ = 372837610.

The previous prime is 745675201. The next prime is 745675247. The reversal of 745675222 is 222576547.

745675222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222576547 = 661 ⋅336727.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186418804 + ... + 186418807.

It is an arithmetic number, because the mean of its divisors is an integer number (279628209).

Almost surely, 2^745675222 is an apocalyptic number.

745675222 is a deficient number, since it is larger than the sum of its proper divisors (372837614).

745675222 is a wasteful number, since it uses less digits than its factorization.

745675222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372837613.

The product of its digits is 235200, while the sum is 40.

The square root of 745675222 is about 27307.0544365371. The cubic root of 745675222 is about 906.8105637442.

The spelling of 745675222 in words is "seven hundred forty-five million, six hundred seventy-five thousand, two hundred twenty-two".