2219530564 has 6 divisors (see below), whose sum is σ = 3884178494. Its totient is φ = 1109765280.

The previous prime is 2219530559. The next prime is 2219530583. The reversal of 2219530564 is 4650359122.

It can be written as a sum of positive squares in only one way, i.e., 1662192900 + 557337664 = 40770^2 + 23608^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277441317 + ... + 277441324.

Almost surely, 2^2219530564 is an apocalyptic number.

It is an amenable number.

2219530564 is a deficient number, since it is larger than the sum of its proper divisors (1664647930).

2219530564 is a wasteful number, since it uses less digits than its factorization.

2219530564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554882645 (or 554882643 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 2219530564 is about 47111.8940820681. The cubic root of 2219530564 is about 1304.4287932378.

Adding to 2219530564 its reverse (4650359122), we get a palindrome (6869889686).

The spelling of 2219530564 in words is "two billion, two hundred nineteen million, five hundred thirty thousand, five hundred sixty-four".