1479895221 has 16 divisors (see below), whose sum is σ = 2259264128. Its totient is φ = 844084800.

The previous prime is 1479895217. The next prime is 1479895231. The reversal of 1479895221 is 1225989741.

It is a happy number.

It is not a de Polignac number, because 1479895221 - 2² = 1479895217 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 (1479895231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53770 + ... + 76491.

It is an arithmetic number, because the mean of its divisors is an integer number (141204008).

Almost surely, 2^1479895221 is an apocalyptic number.

It is an amenable number.

1479895221 is a deficient number, since it is larger than the sum of its proper divisors (779368907).

1479895221 is a wasteful number, since it uses less digits than its factorization.

1479895221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130812.

The product of its digits is 362880, while the sum is 48.

The square root of 1479895221 is about 38469.4062990320. The cubic root of 1479895221 is about 1139.5769490590.

The spelling of 1479895221 in words is "one billion, four hundred seventy-nine million, eight hundred ninety-five thousand, two hundred twenty-one".