522222046 has 8 divisors (see below), whose sum is σ = 787046184. Its totient is φ = 259873320.

The previous prime is 522222023. The next prime is 522222067. The reversal of 522222046 is 640222225.

It is a happy number.

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

It is a super-2 number, since 2×522222046² = 545431730656852232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 522222046.

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 3 ways as a sum of consecutive naturals, for example, 618325 + ... + 619168.

It is an arithmetic number, because the mean of its divisors is an integer number (98380773).

Almost surely, 2^522222046 is an apocalyptic number.

522222046 is a deficient number, since it is larger than the sum of its proper divisors (264824138).

522222046 is a wasteful number, since it uses less digits than its factorization.

522222046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237706.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 522222046 is about 22852.1781456385. The cubic root of 522222046 is about 805.2889391395.

The spelling of 522222046 in words is "five hundred twenty-two million, two hundred twenty-two thousand, forty-six".