22061633636605 has 32 divisors (see below), whose sum is σ = 26712939020544. Its totient is φ = 17490456377856.

The previous prime is 22061633636561. The next prime is 22061633636641. The reversal of 22061633636605 is 50663633616022.

It is a cyclic number.

It is not a de Polignac number, because 22061633636605 - 2¹⁷ = 22061633505533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 999745782 + ... + 999767848.

It is an arithmetic number, because the mean of its divisors is an integer number (834779344392).

Almost surely, 2^{22061633636605} is an apocalyptic number.

It is an amenable number.

22061633636605 is a deficient number, since it is larger than the sum of its proper divisors (4651305383939).

22061633636605 is a wasteful number, since it uses less digits than its factorization.

22061633636605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24645.

The product of its (nonzero) digits is 4199040, while the sum is 49.

The spelling of 22061633636605 in words is "twenty-two trillion, sixty-one billion, six hundred thirty-three million, six hundred thirty-six thousand, six hundred five".