1464228646 has 4 divisors (see below), whose sum is σ = 2196342972. Its totient is φ = 732114322.

The previous prime is 1464228637. The next prime is 1464228679. The reversal of 1464228646 is 6468224641.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366057160 + ... + 366057163.

It is an arithmetic number, because the mean of its divisors is an integer number (549085743).

Almost surely, 2^1464228646 is an apocalyptic number.

1464228646 is a deficient number, since it is larger than the sum of its proper divisors (732114326).

1464228646 is an equidigital number, since it uses as much as digits as its factorization.

1464228646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732114325.

The product of its digits is 442368, while the sum is 43.

The square root of 1464228646 is about 38265.2407022352. The cubic root of 1464228646 is about 1135.5413839062.

The spelling of 1464228646 in words is "one billion, four hundred sixty-four million, two hundred twenty-eight thousand, six hundred forty-six".