1226212022 has 16 divisors (see below), whose sum is σ = 2102693280. Its totient is φ = 525365568.

The previous prime is 1226212003. The next prime is 1226212033. The reversal of 1226212022 is 2202126221.

It is a junction number, because it is equal to n+sod(n) for n = 1226211985 and 1226212003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46004 + ... + 67592.

It is an arithmetic number, because the mean of its divisors is an integer number (131418330).

Almost surely, 2^1226212022 is an apocalyptic number.

1226212022 is a deficient number, since it is larger than the sum of its proper divisors (876481258).

1226212022 is a wasteful number, since it uses less digits than its factorization.

1226212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25655.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1226212022 is about 35017.3103193264. The cubic root of 1226212022 is about 1070.3402481564.

Adding to 1226212022 its reverse (2202126221), we get a palindrome (3428338243).

The spelling of 1226212022 in words is "one billion, two hundred twenty-six million, two hundred twelve thousand, twenty-two".