1046453221 has 8 divisors (see below), whose sum is σ = 1145801088. Its totient is φ = 947808000.

The previous prime is 1046453201. The next prime is 1046453227. The reversal of 1046453221 is 1223546401.

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

It is a cyclic number.

It is not a de Polignac number, because 1046453221 - 2²³ = 1038064613 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 1046453221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046453227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172540 + ... + 178501.

It is an arithmetic number, because the mean of its divisors is an integer number (143225136).

Almost surely, 2^1046453221 is an apocalyptic number.

1046453221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1046453221 is a deficient number, since it is larger than the sum of its proper divisors (99347867).

1046453221 is a wasteful number, since it uses less digits than its factorization.

1046453221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351323.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1046453221 is about 32348.9292094808. The cubic root of 1046453221 is about 1015.2506425594.

Adding to 1046453221 its reverse (1223546401), we get a palindrome (2269999622).

The spelling of 1046453221 in words is "one billion, forty-six million, four hundred fifty-three thousand, two hundred twenty-one".