1220022122 has 16 divisors (see below), whose sum is σ = 2021673600. Its totient is φ = 547535040.

The previous prime is 1220022121. The next prime is 1220022149. The reversal of 1220022122 is 2212200221.

It is a junction number, because it is equal to n+sod(n) for n = 1220022097 and 1220022106.

It is not an unprimeable number, because it can be changed into a prime (1220022121) 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, 349247 + ... + 352722.

It is an arithmetic number, because the mean of its divisors is an integer number (126354600).

Almost surely, 2^1220022122 is an apocalyptic number.

1220022122 is a deficient number, since it is larger than the sum of its proper divisors (801651478).

1220022122 is a wasteful number, since it uses less digits than its factorization.

1220022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702061.

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

The square root of 1220022122 is about 34928.8150672192. The cubic root of 1220022122 is about 1068.5361885838.

Adding to 1220022122 its reverse (2212200221), we get a palindrome (3432222343).

It can be divided in two parts, 12200221 and 22, that multiplied together give a palindrome (268404862).

The spelling of 1220022122 in words is "one billion, two hundred twenty million, twenty-two thousand, one hundred twenty-two".