1220474317 has 8 divisors (see below), whose sum is σ = 1227018240. Its totient is φ = 1213940400.

The previous prime is 1220474287. The next prime is 1220474357. The reversal of 1220474317 is 7134740221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220474317 - 2¹⁵ = 1220441549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220474357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422484 + ... + 425362.

It is an arithmetic number, because the mean of its divisors is an integer number (153377280).

Almost surely, 2^1220474317 is an apocalyptic number.

It is an amenable number.

1220474317 is a deficient number, since it is larger than the sum of its proper divisors (6543923).

1220474317 is a wasteful number, since it uses less digits than its factorization.

1220474317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 1220474317 is about 34935.2875614328. The cubic root of 1220474317 is about 1068.6681881130.

The spelling of 1220474317 in words is "one billion, two hundred twenty million, four hundred seventy-four thousand, three hundred seventeen".