523442222 has 8 divisors (see below), whose sum is σ = 785260416. Its totient is φ = 261688752.

The previous prime is 523442137. The next prime is 523442233. The reversal of 523442222 is 222244325.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 523442191 and 523442200.

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, 23603 + ... + 40049.

It is an arithmetic number, because the mean of its divisors is an integer number (98157552).

Almost surely, 2^523442222 is an apocalyptic number.

523442222 is a deficient number, since it is larger than the sum of its proper divisors (261818194).

523442222 is a wasteful number, since it uses less digits than its factorization.

523442222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32362.

The product of its digits is 7680, while the sum is 26.

The square root of 523442222 is about 22878.8597180891. The cubic root of 523442222 is about 805.9156393182.

Adding to 523442222 its reverse (222244325), we get a palindrome (745686547).

The spelling of 523442222 in words is "five hundred twenty-three million, four hundred forty-two thousand, two hundred twenty-two".