21772922709263 has 8 divisors (see below), whose sum is σ = 23758492359936. Its totient is φ = 19788388565400.

The previous prime is 21772922709233. The next prime is 21772922709311. The reversal of 21772922709263 is 36290722927712.

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

It is a cyclic number.

It is not a de Polignac number, because 21772922709263 - 2²² = 21772918514959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21772922709233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258832733 + ... + 258916838.

It is an arithmetic number, because the mean of its divisors is an integer number (2969811544992).

Almost surely, 2^{21772922709263} is an apocalyptic number.

21772922709263 is a deficient number, since it is larger than the sum of its proper divisors (1985569650673).

21772922709263 is a wasteful number, since it uses less digits than its factorization.

21772922709263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517753405.

The product of its (nonzero) digits is 16003008, while the sum is 59.

The spelling of 21772922709263 in words is "twenty-one trillion, seven hundred seventy-two billion, nine hundred twenty-two million, seven hundred nine thousand, two hundred sixty-three".