75323222 has 8 divisors (see below), whose sum is σ = 121676016. Its totient is φ = 34764552.

The previous prime is 75323219. The next prime is 75323233. The reversal of 75323222 is 22232357.

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

It is a super-2 number, since 2×75323222² = 11347175544922568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 2897047 = 75323222 / (7 + 5 + 3 + 2 + 3 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 75323191 and 75323200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448498 + ... + 1448549.

It is an arithmetic number, because the mean of its divisors is an integer number (15209502).

Almost surely, 2^75323222 is an apocalyptic number.

75323222 is a deficient number, since it is larger than the sum of its proper divisors (46352794).

75323222 is a wasteful number, since it uses less digits than its factorization.

75323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897062.

The product of its digits is 5040, while the sum is 26.

The square root of 75323222 is about 8678.8952061884. The cubic root of 75323222 is about 422.3212777698.

Adding to 75323222 its reverse (22232357), we get a palindrome (97555579).

The spelling of 75323222 in words is "seventy-five million, three hundred twenty-three thousand, two hundred twenty-two".