27224122619421 has 96 divisors (see below), whose sum is σ = 51329021103360. Its totient is φ = 13493220268032.

The previous prime is 27224122619417. The next prime is 27224122619527. The reversal of 27224122619421 is 12491622142272.

27224122619421 is a `hidden beast` number, since 2 + 7 + 2 + 2 + 4 + 1 + 2 + 2 + 619 + 4 + 21 = 666.

It is not a de Polignac number, because 27224122619421 - 2² = 27224122619417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27224122619921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6939910 + ... + 10129688.

It is an arithmetic number, because the mean of its divisors is an integer number (534677303160).

Almost surely, 2^{27224122619421} is an apocalyptic number.

27224122619421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

27224122619421 is a deficient number, since it is larger than the sum of its proper divisors (24104898483939).

27224122619421 is a wasteful number, since it uses less digits than its factorization.

27224122619421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190435 (or 3190432 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 27224122619421 in words is "twenty-seven trillion, two hundred twenty-four billion, one hundred twenty-two million, six hundred nineteen thousand, four hundred twenty-one".