61011722 has 8 divisors (see below), whose sum is σ = 91807236. Its totient is φ = 30409312.

The previous prime is 61011697. The next prime is 61011733. The reversal of 61011722 is 22711016.

It is a Cunningham number, because it is equal to 7811²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 61011721 + 1 = 7811^2 + 1^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 61011694 and 61011703.

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, 47483 + ... + 48750.

Almost surely, 2^61011722 is an apocalyptic number.

61011722 is a deficient number, since it is larger than the sum of its proper divisors (30795514).

61011722 is a wasteful number, since it uses less digits than its factorization.

61011722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96552.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 61011722 is about 7811.0000640123. Note that the first 4 decimals coincide. The cubic root of 61011722 is about 393.6749317881.

Adding to 61011722 its reverse (22711016), we get a palindrome (83722738).

The spelling of 61011722 in words is "sixty-one million, eleven thousand, seven hundred twenty-two".