2219264 has 18 divisors (see below), whose sum is σ = 4430370. Its totient is φ = 1109504.

The previous prime is 2219251. The next prime is 2219279. The reversal of 2219264 is 4629122.

It can be written as a sum of positive squares in only one way, i.e., 1849600 + 369664 = 1360^2 + 608^2 .

It is a d-powerful number, because it can be written as 2 + 2³ + 1 + 9⁶ + 2¹³ + 6⁸ + 4 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4079 + ... + 4590.

2^2219264 is an apocalyptic number.

It is an amenable number.

2219264 is a deficient number, since it is larger than the sum of its proper divisors (2211106).

2219264 is an frugal number, since it uses more digits than its factorization.

2219264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8685 (or 8671 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 2219264 is about 1489.7194366726. The cubic root of 2219264 is about 130.4376570832.

The spelling of 2219264 in words is "two million, two hundred nineteen thousand, two hundred sixty-four".