1301622242 has 18 divisors (see below), whose sum is σ = 1980298593. Its totient is φ = 641652672.

The previous prime is 1301622229. The next prime is 1301622263. The reversal of 1301622242 is 2422261031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1298232961 + 3389281 = 36031^2 + 1841^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25511.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4949003 + ... + 4949265.

Almost surely, 2^1301622242 is an apocalyptic number.

1301622242 is a deficient number, since it is larger than the sum of its proper divisors (678676351).

1301622242 is an frugal number, since it uses more digits than its factorization.

1301622242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1301622242 is about 36078.0021897000. The cubic root of 1301622242 is about 1091.8466695806.

Multiplying 1301622242 by its product of nonzero digits (1152), we get a square (1499468822784 = 1224528²).

Adding to 1301622242 its reverse (2422261031), we get a palindrome (3723883273).

The spelling of 1301622242 in words is "one billion, three hundred one million, six hundred twenty-two thousand, two hundred forty-two".