522229226661 has 12 divisors (see below), whose sum is σ = 756073214988. Its totient is φ = 347348767104.

The previous prime is 522229226633. The next prime is 522229226669. The reversal of 522229226661 is 166622922225.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 248497265025 + 273731961636 = 498495^2 + 523194^2 .

It is not a de Polignac number, because 522229226661 - 2⁹ = 522229226149 is a prime.

It is a super-2 number, since 2×522229226661² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522229226669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67000110 + ... + 67007903.

It is an arithmetic number, because the mean of its divisors is an integer number (63006101249).

Almost surely, 2^522229226661 is an apocalyptic number.

It is an amenable number.

522229226661 is a deficient number, since it is larger than the sum of its proper divisors (233843988327).

522229226661 is a wasteful number, since it uses less digits than its factorization.

522229226661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134008452 (or 134008449 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 522229226661 in words is "five hundred twenty-two billion, two hundred twenty-nine million, two hundred twenty-six thousand, six hundred sixty-one".