1022200220 has 12 divisors (see below), whose sum is σ = 2146620504. Its totient is φ = 408880080.

The previous prime is 1022200219. The next prime is 1022200279. The reversal of 1022200220 is 220022201.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25554986 + ... + 25555025.

It is an arithmetic number, because the mean of its divisors is an integer number (178885042).

Almost surely, 2^1022200220 is an apocalyptic number.

1022200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022200220 is an abundant number, since it is smaller than the sum of its proper divisors (1124420284).

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

1022200220 is a wasteful number, since it uses less digits than its factorization.

1022200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51110020 (or 51110018 counting only the distinct ones).

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

The square root of 1022200220 is about 31971.8660700310. The cubic root of 1022200220 is about 1007.3459778055.

Adding to 1022200220 its reverse (220022201), we get a palindrome (1242222421).

The spelling of 1022200220 in words is "one billion, twenty-two million, two hundred thousand, two hundred twenty".