27225429 has 48 divisors (see below), whose sum is σ = 46785600. Its totient is φ = 13923840.

The previous prime is 27225421. The next prime is 27225431. The reversal of 27225429 is 92452272.

It is not a de Polignac number, because 27225429 - 2³ = 27225421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27225429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27225421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182647 + ... + 182795.

It is an arithmetic number, because the mean of its divisors is an integer number (974700).

Almost surely, 2^27225429 is an apocalyptic number.

It is an amenable number.

27225429 is a deficient number, since it is larger than the sum of its proper divisors (19560171).

27225429 is a wasteful number, since it uses less digits than its factorization.

27225429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 283 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 27225429 is about 5217.7992487255. The cubic root of 27225429 is about 300.8326092904.

It can be divided in two parts, 27 and 225429, that added together give a triangular number (225456 = T₆₇₁).

The spelling of 27225429 in words is "twenty-seven million, two hundred twenty-five thousand, four hundred twenty-nine".