522661442 has 16 divisors (see below), whose sum is σ = 791284032. Its totient is φ = 258906960.

The previous prime is 522661441. The next prime is 522661483. The reversal of 522661442 is 244166225.

It is a junction number, because it is equal to n+sod(n) for n = 522661399 and 522661408.

It is not an unprimeable number, because it can be changed into a prime (522661441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207563 + ... + 210065.

It is an arithmetic number, because the mean of its divisors is an integer number (49455252).

Almost surely, 2^522661442 is an apocalyptic number.

522661442 is a deficient number, since it is larger than the sum of its proper divisors (268622590).

522661442 is a wasteful number, since it uses less digits than its factorization.

522661442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433.

The product of its digits is 23040, while the sum is 32.

The square root of 522661442 is about 22861.7899999103. The cubic root of 522661442 is about 805.5147316912.

The spelling of 522661442 in words is "five hundred twenty-two million, six hundred sixty-one thousand, four hundred forty-two".