22851006230421 has 6 divisors (see below), whose sum is σ = 33007008999510. Its totient is φ = 15234004153608.

The previous prime is 22851006230401. The next prime is 22851006230461. The reversal of 22851006230421 is 12403260015822.

22851006230421 is a `hidden beast` number, since 2 + 2 + 8 + 5 + 1 + 0 + 0 + 623 + 0 + 4 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18045835345521 + 4805170884900 = 4248039^2 + 2192070^2 .

It is not a de Polignac number, because 22851006230421 - 2²⁵ = 22850972675989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22851006230401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1269500346126 + ... + 1269500346143.

It is an arithmetic number, because the mean of its divisors is an integer number (5501168166585).

Almost surely, 2^{22851006230421} is an apocalyptic number.

It is an amenable number.

22851006230421 is a deficient number, since it is larger than the sum of its proper divisors (10156002769089).

22851006230421 is a wasteful number, since it uses less digits than its factorization.

22851006230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539000692275 (or 2539000692272 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 22851006230421 in words is "twenty-two trillion, eight hundred fifty-one billion, six million, two hundred thirty thousand, four hundred twenty-one".