522221106 has 32 divisors (see below), whose sum is σ = 1150687296. Its totient is φ = 156680000.

The previous prime is 522221083. The next prime is 522221107. The reversal of 522221106 is 601122225.

It is a happy number.

It is a super-3 number, since 3×522221106³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (522221107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32505 + ... + 45836.

It is an arithmetic number, because the mean of its divisors is an integer number (35958978).

Almost surely, 2^522221106 is an apocalyptic number.

522221106 is an abundant number, since it is smaller than the sum of its proper divisors (628466190).

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

522221106 is a wasteful number, since it uses less digits than its factorization.

522221106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78458.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 522221106 is about 22852.1575786620. The cubic root of 522221106 is about 805.2884559657.

It can be divided in two parts, 5 and 22221106, that added together give a triangular number (22221111 = T₆₆₆₆).

The spelling of 522221106 in words is "five hundred twenty-two million, two hundred twenty-one thousand, one hundred six".