1044022664 has 8 divisors (see below), whose sum is σ = 1957542510. Its totient is φ = 522011328.

The previous prime is 1044022633. The next prime is 1044022667. The reversal of 1044022664 is 4662204401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 891500164 + 152522500 = 29858^2 + 12350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1044022667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65251409 + ... + 65251424.

Almost surely, 2^1044022664 is an apocalyptic number.

It is an amenable number.

1044022664 is a deficient number, since it is larger than the sum of its proper divisors (913519846).

1044022664 is a wasteful number, since it uses less digits than its factorization.

1044022664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130502839 (or 130502835 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1044022664 is about 32311.3395574990. The cubic root of 1044022664 is about 1014.4640052269.

The spelling of 1044022664 in words is "one billion, forty-four million, twenty-two thousand, six hundred sixty-four".