21476570661422 has 32 divisors (see below), whose sum is σ = 35316391586400. Its totient is φ = 9749726307328.

The previous prime is 21476570661421. The next prime is 21476570661433. The reversal of 21476570661422 is 22416607567412.

It is a super-2 number, since 2×21476570661422² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21476570661421) 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, 8217647 + ... + 10511082.

It is an arithmetic number, because the mean of its divisors is an integer number (1103637237075).

Almost surely, 2^{21476570661422} is an apocalyptic number.

21476570661422 is a deficient number, since it is larger than the sum of its proper divisors (13839820924978).

21476570661422 is a wasteful number, since it uses less digits than its factorization.

21476570661422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18729940.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 21476570661422 in words is "twenty-one trillion, four hundred seventy-six billion, five hundred seventy million, six hundred sixty-one thousand, four hundred twenty-two".