1442220224 has 28 divisors (see below), whose sum is σ = 2866622664. Its totient is φ = 719921664.

The previous prime is 1442220187. The next prime is 1442220229. The reversal of 1442220224 is 4220222441.

It is a super-2 number, since 2×1442220224² = 4159998349029220352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1442220224.

It is not an unprimeable number, because it can be changed into a prime (1442220229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21227 + ... + 57749.

Almost surely, 2^1442220224 is an apocalyptic number.

It is an amenable number.

1442220224 is a deficient number, since it is larger than the sum of its proper divisors (1424402440).

1442220224 is an equidigital number, since it uses as much as digits as its factorization.

1442220224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37152 (or 37142 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1442220224 is about 37976.5746743963. The cubic root of 1442220224 is about 1129.8233007442.

Adding to 1442220224 its reverse (4220222441), we get a palindrome (5662442665).

The spelling of 1442220224 in words is "one billion, four hundred forty-two million, two hundred twenty thousand, two hundred twenty-four".