21822481714428 has 36 divisors (see below), whose sum is σ = 55166433595000. Its totient is φ = 7273626602976.

The previous prime is 21822481714417. The next prime is 21822481714433. The reversal of 21822481714428 is 82441718422812.

21822481714428 is a `hidden beast` number, since 2 + 1 + 8 + 2 + 2 + 48 + 171 + 4 + 428 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21751303 + ... + 22732446.

Almost surely, 2^{21822481714428} is an apocalyptic number.

It is an amenable number.

21822481714428 is an abundant number, since it is smaller than the sum of its proper divisors (33343951880572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21822481714428 is a wasteful number, since it uses less digits than its factorization.

21822481714428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44497386 (or 44497381 counting only the distinct ones).

The product of its digits is 3670016, while the sum is 54.

It can be divided in two parts, 2182248 and 1714428, that added together give a square (3896676 = 1974²).

The spelling of 21822481714428 in words is "twenty-one trillion, eight hundred twenty-two billion, four hundred eighty-one million, seven hundred fourteen thousand, four hundred twenty-eight".