27022429 has 4 divisors (see below), whose sum is σ = 30882784. Its totient is φ = 23162076.

The previous prime is 27022423. The next prime is 27022433. The reversal of 27022429 is 92422072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27022429 - 2¹¹ = 27020381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27022397 and 27022406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27022423) 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 3 ways as a sum of consecutive naturals, for example, 1930167 + ... + 1930180.

It is an arithmetic number, because the mean of its divisors is an integer number (7720696).

Almost surely, 2^27022429 is an apocalyptic number.

It is an amenable number.

27022429 is a deficient number, since it is larger than the sum of its proper divisors (3860355).

27022429 is an equidigital number, since it uses as much as digits as its factorization.

27022429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860354.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 27022429 is about 5198.3102062112. The cubic root of 27022429 is about 300.0830473787.

The spelling of 27022429 in words is "twenty-seven million, twenty-two thousand, four hundred twenty-nine".