7226061642 has 24 divisors (see below), whose sum is σ = 15761549700. Its totient is φ = 2392520640.

The previous prime is 7226061613. The next prime is 7226061659. The reversal of 7226061642 is 2461606227.

7226061642 is a `hidden beast` number, since 7 + 2 + 2 + 6 + 0 + 6 + 1 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4963061601 + 2263000041 = 70449^2 + 47571^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7226061597 and 7226061606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1344459 + ... + 1349822.

Almost surely, 2^7226061642 is an apocalyptic number.

7226061642 is an abundant number, since it is smaller than the sum of its proper divisors (8535488058).

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

7226061642 is a wasteful number, since it uses less digits than its factorization.

7226061642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694438 (or 2694435 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 7226061642 is about 85006.2447235496. The cubic root of 7226061642 is about 1933.3058006847.

Adding to 7226061642 its reverse (2461606227), we get a palindrome (9687667869).

The spelling of 7226061642 in words is "seven billion, two hundred twenty-six million, sixty-one thousand, six hundred forty-two".