1220022104 has 16 divisors (see below), whose sum is σ = 2614333200. Its totient is φ = 522866592.

The previous prime is 1220022103. The next prime is 1220022107. The reversal of 1220022104 is 4012200221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220022103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10892999 + ... + 10893110.

It is an arithmetic number, because the mean of its divisors is an integer number (163395825).

Almost surely, 2^1220022104 is an apocalyptic number.

1220022104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1220022104 is an abundant number, since it is smaller than the sum of its proper divisors (1394311096).

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

1220022104 is a wasteful number, since it uses less digits than its factorization.

1220022104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21786122 (or 21786118 counting only the distinct ones).

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

The square root of 1220022104 is about 34928.8148095523. The cubic root of 1220022104 is about 1068.5361833288.

Adding to 1220022104 its reverse (4012200221), we get a palindrome (5232222325).

The spelling of 1220022104 in words is "one billion, two hundred twenty million, twenty-two thousand, one hundred four".