27422240 has 48 divisors (see below), whose sum is σ = 65100672. Its totient is φ = 10915584.

The previous prime is 27422237. The next prime is 27422249. The reversal of 27422240 is 4222472.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27422249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58487 + ... + 58953.

It is an arithmetic number, because the mean of its divisors is an integer number (1356264).

Almost surely, 2^27422240 is an apocalyptic number.

27422240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27422240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32550336).

27422240 is an abundant number, since it is smaller than the sum of its proper divisors (37678432).

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

27422240 is a wasteful number, since it uses less digits than its factorization.

27422240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 27422240 is about 5236.6248672213. The cubic root of 27422240 is about 301.5557698392. Note that the first 3 decimals are identical.

The spelling of 27422240 in words is "twenty-seven million, four hundred twenty-two thousand, two hundred forty".