1222318526 has 80 divisors (see below), whose sum is σ = 2299794000. Its totient is φ = 485868240.

The previous prime is 1222318483. The next prime is 1222318529. The reversal of 1222318526 is 6258132221.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

Its product of digits (11520) is a multiple of the sum of its prime divisors (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1222318492 and 1222318501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222318529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64332545 + ... + 64332563.

It is an arithmetic number, because the mean of its divisors is an integer number (28747425).

Almost surely, 2^1222318526 is an apocalyptic number.

1222318526 is a deficient number, since it is larger than the sum of its proper divisors (1077475474).

1222318526 is an frugal number, since it uses more digits than its factorization.

1222318526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 45 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 1222318526 is about 34961.6722426145. The cubic root of 1222318526 is about 1069.2061908678.

The spelling of 1222318526 in words is "one billion, two hundred twenty-two million, three hundred eighteen thousand, five hundred twenty-six".