1460868221 has 4 divisors (see below), whose sum is σ = 1464355200. Its totient is φ = 1457381244.

The previous prime is 1460868217. The next prime is 1460868223. The reversal of 1460868221 is 1228680641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1228680641 = 211 ⋅5823131.

It is a cyclic number.

It is not a de Polignac number, because 1460868221 - 2² = 1460868217 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 (1460868223) 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, 1742861 + ... + 1743698.

It is an arithmetic number, because the mean of its divisors is an integer number (366088800).

Almost surely, 2^1460868221 is an apocalyptic number.

It is an amenable number.

1460868221 is a deficient number, since it is larger than the sum of its proper divisors (3486979).

1460868221 is an equidigital number, since it uses as much as digits as its factorization.

1460868221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486978.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 1460868221 is about 38221.3058515797. The cubic root of 1460868221 is about 1134.6720241070.

The spelling of 1460868221 in words is "one billion, four hundred sixty million, eight hundred sixty-eight thousand, two hundred twenty-one".