1220462494 has 8 divisors (see below), whose sum is σ = 1830888720. Its totient is φ = 610166256.

The previous prime is 1220462491. The next prime is 1220462519. The reversal of 1220462494 is 4942640221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220462491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4039 + ... + 49570.

It is an arithmetic number, because the mean of its divisors is an integer number (228861090).

Almost surely, 2^1220462494 is an apocalyptic number.

1220462494 is a deficient number, since it is larger than the sum of its proper divisors (610426226).

1220462494 is a wasteful number, since it uses less digits than its factorization.

1220462494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64994.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 1220462494 is about 34935.1183481608. The cubic root of 1220462494 is about 1068.6647372949.

The spelling of 1220462494 in words is "one billion, two hundred twenty million, four hundred sixty-two thousand, four hundred ninety-four".