21250264230422 has 16 divisors (see below), whose sum is σ = 33751909064160. Its totient is φ = 9999683038848.

The previous prime is 21250264230421. The next prime is 21250264230449. The reversal of 21250264230422 is 22403246205212.

It is a super-3 number, since 3×21250264230422³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21250264230421) 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, 13008353 + ... + 14550524.

It is an arithmetic number, because the mean of its divisors is an integer number (2109494316510).

Almost surely, 2^{21250264230422} is an apocalyptic number.

21250264230422 is a deficient number, since it is larger than the sum of its proper divisors (12501644833738).

21250264230422 is a wasteful number, since it uses less digits than its factorization.

21250264230422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27581575.

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 21250264230422 in words is "twenty-one trillion, two hundred fifty billion, two hundred sixty-four million, two hundred thirty thousand, four hundred twenty-two".