220022012 has 24 divisors (see below), whose sum is σ = 440388480. Its totient is φ = 94221360.

The previous prime is 220022009. The next prime is 220022021. The reversal of 220022012 is 210220022.

It is a junction number, because it is equal to n+sod(n) for n = 220021984 and 220022002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48539 + ... + 52877.

It is an arithmetic number, because the mean of its divisors is an integer number (18349520).

Almost surely, 2^220022012 is an apocalyptic number.

It is an amenable number.

220022012 is an abundant number, since it is smaller than the sum of its proper divisors (220366468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220022012 is a wasteful number, since it uses less digits than its factorization.

220022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161 (or 6159 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 220022012 is about 14833.1389800002. The cubic root of 220022012 is about 603.7012066868.

Adding to 220022012 its reverse (210220022), we get a palindrome (430242034).

The spelling of 220022012 in words is "two hundred twenty million, twenty-two thousand, twelve".