1222432 has 12 divisors (see below), whose sum is σ = 2406726. Its totient is φ = 611200.

The previous prime is 1222411. The next prime is 1222433. The reversal of 1222432 is 2342221.

It can be written as a sum of positive squares in only one way, i.e., 1089936 + 132496 = 1044^2 + 364^2 .

It is a hoax number, since the sum of its digits (16) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1222433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19069 + ... + 19132.

2^1222432 is an apocalyptic number.

It is an amenable number.

1222432 is a deficient number, since it is larger than the sum of its proper divisors (1184294).

1222432 is an equidigital number, since it uses as much as digits as its factorization.

1222432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38211 (or 38203 counting only the distinct ones).

The product of its digits is 192, while the sum is 16.

The square root of 1222432 is about 1105.6364682842. The cubic root of 1222432 is about 106.9239276447.

Adding to 1222432 its reverse (2342221), we get a palindrome (3564653).

The spelling of 1222432 in words is "one million, two hundred twenty-two thousand, four hundred thirty-two".