1220440414 has 8 divisors (see below), whose sum is σ = 1927011240. Its totient is φ = 578103336.

The previous prime is 1220440391. The next prime is 1220440423. The reversal of 1220440414 is 4140440221.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 16058389 + ... + 16058464.

It is an arithmetic number, because the mean of its divisors is an integer number (240876405).

Almost surely, 2^1220440414 is an apocalyptic number.

1220440414 is a deficient number, since it is larger than the sum of its proper divisors (706570826).

1220440414 is a wasteful number, since it uses less digits than its factorization.

1220440414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32116874.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1220440414 is about 34934.8023323447. The cubic root of 1220440414 is about 1068.6582926725.

Adding to 1220440414 its reverse (4140440221), we get a palindrome (5360880635).

The spelling of 1220440414 in words is "one billion, two hundred twenty million, four hundred forty thousand, four hundred fourteen".