522122022 has 48 divisors (see below), whose sum is σ = 1179280752. Its totient is φ = 166795200.

The previous prime is 522122021. The next prime is 522122023. The reversal of 522122022 is 220221225.

522122022 is a `hidden beast` number, since 522 + 122 + 0 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (522122021) and next prime (522122023).

It is a super-2 number, since 2×522122022² = 545222811714736968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 522121986 and 522122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522122021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38772 + ... + 50472.

It is an arithmetic number, because the mean of its divisors is an integer number (24568349).

Almost surely, 2^522122022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522122022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589640376).

522122022 is an abundant number, since it is smaller than the sum of its proper divisors (657158730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522122022 is a wasteful number, since it uses less digits than its factorization.

522122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11813 (or 11810 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 522122022 is about 22849.9895404790. The cubic root of 522122022 is about 805.2375220813.

Adding to 522122022 its reverse (220221225), we get a palindrome (742343247).

The spelling of 522122022 in words is "five hundred twenty-two million, one hundred twenty-two thousand, twenty-two".