1522224442 has 8 divisors (see below), whose sum is σ = 2362072500. Its totient is φ = 734866944.

The previous prime is 1522224427. The next prime is 1522224493. The reversal of 1522224442 is 2444222251.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1434970161 + 87254281 = 37881^2 + 9341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1522224442² = 4634334503644422728, 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 1522224442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13122567 + ... + 13122682.

Almost surely, 2^1522224442 is an apocalyptic number.

1522224442 is a deficient number, since it is larger than the sum of its proper divisors (839848058).

1522224442 is a wasteful number, since it uses less digits than its factorization.

1522224442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26245280.

The product of its digits is 10240, while the sum is 28.

The square root of 1522224442 is about 39015.6948163172. The cubic root of 1522224442 is about 1150.3400234620.

Adding to 1522224442 its reverse (2444222251), we get a palindrome (3966446693).

The spelling of 1522224442 in words is "one billion, five hundred twenty-two million, two hundred twenty-four thousand, four hundred forty-two".