1048046221 has 16 divisors (see below), whose sum is σ = 1116944640. Its totient is φ = 981185920.

The previous prime is 1048046191. The next prime is 1048046231. The reversal of 1048046221 is 1226408401.

It is a cyclic number.

It is not a de Polignac number, because 1048046221 - 2⁵ = 1048046189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1048046221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048046231) 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, 692856 + ... + 694366.

It is an arithmetic number, because the mean of its divisors is an integer number (69809040).

Almost surely, 2^1048046221 is an apocalyptic number.

It is an amenable number.

1048046221 is a deficient number, since it is larger than the sum of its proper divisors (68898419).

1048046221 is a wasteful number, since it uses less digits than its factorization.

1048046221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1048046221 is about 32373.5419903353. The cubic root of 1048046221 is about 1015.7655482980.

The spelling of 1048046221 in words is "one billion, forty-eight million, forty-six thousand, two hundred twenty-one".