1222012022 has 16 divisors (see below), whose sum is σ = 2285321472. Its totient is φ = 476108520.

The previous prime is 1222012021. The next prime is 1222012031. The reversal of 1222012022 is 2202102221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1222011988 and 1222012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222012021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3967418 + ... + 3967725.

It is an arithmetic number, because the mean of its divisors is an integer number (142832592).

Almost surely, 2^1222012022 is an apocalyptic number.

1222012022 is a deficient number, since it is larger than the sum of its proper divisors (1063309450).

1222012022 is a wasteful number, since it uses less digits than its factorization.

1222012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7935163.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1222012022 is about 34957.2885390157. The cubic root of 1222012022 is about 1069.1168133546.

Adding to 1222012022 its reverse (2202102221), we get a palindrome (3424114243).

It can be divided in two parts, 12220 and 12022, that added together give a palindrome (24242).

The spelling of 1222012022 in words is "one billion, two hundred twenty-two million, twelve thousand, twenty-two".