21837097228324 has 27 divisors (see below), whose sum is σ = 44454223967643. Its totient is φ = 9358727916888.

The previous prime is 21837097228319. The next prime is 21837097228333. The reversal of 21837097228324 is 42382279073812.

The square root of 21837097228324 is 4673018.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 65255359 + ... + 65589145.

Almost surely, 2^{21837097228324} is an apocalyptic number.

21837097228324 is the 4673018-th square number.

It is an amenable number.

21837097228324 is an abundant number, since it is smaller than the sum of its proper divisors (22617126739319).

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

21837097228324 is an frugal number, since it uses more digits than its factorization.

21837097228324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667592 (or 333796 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 21837097228324 in words is "twenty-one trillion, eight hundred thirty-seven billion, ninety-seven million, two hundred twenty-eight thousand, three hundred twenty-four".