1220546462 has 8 divisors (see below), whose sum is σ = 1835049216. Its totient is φ = 608863392.

The previous prime is 1220546449. The next prime is 1220546489. The reversal of 1220546462 is 2646450221.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703838 + ... + 705569.

It is an arithmetic number, because the mean of its divisors is an integer number (229381152).

Almost surely, 2^1220546462 is an apocalyptic number.

1220546462 is a deficient number, since it is larger than the sum of its proper divisors (614502754).

1220546462 is a wasteful number, since it uses less digits than its factorization.

1220546462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409842.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1220546462 is about 34936.3200981443. The cubic root of 1220546462 is about 1068.6892448301.

Adding to 1220546462 its reverse (2646450221), we get a palindrome (3866996683).

The spelling of 1220546462 in words is "one billion, two hundred twenty million, five hundred forty-six thousand, four hundred sixty-two".