2223632 has 10 divisors (see below), whose sum is σ = 4308318. Its totient is φ = 1111808.

The previous prime is 2223631. The next prime is 2223671. The reversal of 2223632 is 2363222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1175056 + 1048576 = 1084^2 + 1024^2 .

It is a d-powerful number, because it can be written as 2² + 2⁶ + 2¹⁰ + 3⁹ + 6⁶ + 3¹⁰ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2223631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69473 + ... + 69504.

2^2223632 is an apocalyptic number.

It is an amenable number.

2223632 is a deficient number, since it is larger than the sum of its proper divisors (2084686).

2223632 is a wasteful number, since it uses less digits than its factorization.

2223632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138985 (or 138979 counting only the distinct ones).

The product of its digits is 864, while the sum is 20.

The square root of 2223632 is about 1491.1847638707. The cubic root of 2223632 is about 130.5231776725.

Adding to 2223632 its reverse (2363222), we get a palindrome (4586854).

The spelling of 2223632 in words is "two million, two hundred twenty-three thousand, six hundred thirty-two".