2061619722 has 32 divisors (see below), whose sum is σ = 4729167360. Its totient is φ = 665038080.

The previous prime is 2061619717. The next prime is 2061619727. The reversal of 2061619722 is 2279161602.

2061619722 is a `hidden beast` number, since 2 + 0 + 616 + 19 + 7 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (2061619717) and next prime (2061619727).

It is not an unprimeable number, because it can be changed into a prime (2061619727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614103 + ... + 617450.

It is an arithmetic number, because the mean of its divisors is an integer number (147786480).

Almost surely, 2^2061619722 is an apocalyptic number.

2061619722 is an abundant number, since it is smaller than the sum of its proper divisors (2667547638).

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

2061619722 is a wasteful number, since it uses less digits than its factorization.

2061619722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231595 (or 1231589 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2061619722 is about 45405.0627353382. The cubic root of 2061619722 is about 1272.7297232454.

The spelling of 2061619722 in words is "two billion, sixty-one million, six hundred nineteen thousand, seven hundred twenty-two".