1044532221 has 16 divisors (see below), whose sum is σ = 1429243200. Its totient is φ = 678182400.

The previous prime is 1044532217. The next prime is 1044532231. The reversal of 1044532221 is 1222354401.

It is not a de Polignac number, because 1044532221 - 2² = 1044532217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1044532191 and 1044532200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044532231) 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, 33421 + ... + 56621.

It is an arithmetic number, because the mean of its divisors is an integer number (89327700).

Almost surely, 2^1044532221 is an apocalyptic number.

It is an amenable number.

1044532221 is a deficient number, since it is larger than the sum of its proper divisors (384710979).

1044532221 is a wasteful number, since it uses less digits than its factorization.

1044532221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23596.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1044532221 is about 32319.2237066425. The cubic root of 1044532221 is about 1014.6290218103.

Adding to 1044532221 its reverse (1222354401), we get a palindrome (2266886622).

The spelling of 1044532221 in words is "one billion, forty-four million, five hundred thirty-two thousand, two hundred twenty-one".