1220014404 has 72 divisors (see below), whose sum is σ = 3606482880. Its totient is φ = 340466112.

The previous prime is 1220014379. The next prime is 1220014429. The reversal of 1220014404 is 4044100221.

1220014404 is a `hidden beast` number, since 1 + 220 + 0 + 1 + 440 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1220014379) and next prime (1220014429).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45459 + ... + 67130.

It is an arithmetic number, because the mean of its divisors is an integer number (50090040).

Almost surely, 2^1220014404 is an apocalyptic number.

1220014404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1220014404 is an abundant number, since it is smaller than the sum of its proper divisors (2386468476).

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

1220014404 is a wasteful number, since it uses less digits than its factorization.

1220014404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112649 (or 112644 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1220014404 is about 34928.7045851975. The cubic root of 1220014404 is about 1068.5339353515.

Adding to 1220014404 its reverse (4044100221), we get a palindrome (5264114625).

The spelling of 1220014404 in words is "one billion, two hundred twenty million, fourteen thousand, four hundred four".