1522442240 has 224 divisors, whose sum is σ = 4152107520. Its totient is φ = 530841600.

The previous prime is 1522442237. The next prime is 1522442263. The reversal of 1522442240 is 422442251.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13967306 + ... + 13967414.

Almost surely, 2^1522442240 is an apocalyptic number.

1522442240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1522442240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2076053760).

1522442240 is an abundant number, since it is smaller than the sum of its proper divisors (2629665280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1522442240 is a wasteful number, since it uses less digits than its factorization.

1522442240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1522442240 is about 39018.4858752874. The cubic root of 1522442240 is about 1150.3948839240.

Adding to 1522442240 its reverse (422442251), we get a palindrome (1944884491).

The spelling of 1522442240 in words is "one billion, five hundred twenty-two million, four hundred forty-two thousand, two hundred forty".