27422121 has 8 divisors (see below), whose sum is σ = 37003680. Its totient is φ = 18060992.

The previous prime is 27422119. The next prime is 27422137. The reversal of 27422121 is 12122472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27422121 - 2¹ = 27422119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27422821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54816 + ... + 55313.

It is an arithmetic number, because the mean of its divisors is an integer number (4625460).

Almost surely, 2^27422121 is an apocalyptic number.

It is an amenable number.

27422121 is a deficient number, since it is larger than the sum of its proper divisors (9581559).

27422121 is a wasteful number, since it uses less digits than its factorization.

27422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110215.

The product of its digits is 448, while the sum is 21.

The square root of 27422121 is about 5236.6135049285. The cubic root of 27422121 is about 301.5553336337. Note that the first 3 decimals are identical.

Adding to 27422121 its reverse (12122472), we get a palindrome (39544593).

The spelling of 27422121 in words is "twenty-seven million, four hundred twenty-two thousand, one hundred twenty-one".