1220022010 has 16 divisors (see below), whose sum is σ = 2202163200. Its totient is φ = 486648016.

The previous prime is 1220021989. The next prime is 1220022029. The reversal of 1220022010 is 102200221.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 166330 + ... + 173509.

It is an arithmetic number, because the mean of its divisors is an integer number (137635200).

Almost surely, 2^1220022010 is an apocalyptic number.

1220022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220022010 is a deficient number, since it is larger than the sum of its proper divisors (982141190).

1220022010 is a wasteful number, since it uses less digits than its factorization.

1220022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340205.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1220022010 is about 34928.8134639584. The cubic root of 1220022010 is about 1068.5361558860.

Adding to 1220022010 its reverse (102200221), we get a palindrome (1322222231).

The spelling of 1220022010 in words is "one billion, two hundred twenty million, twenty-two thousand, ten".