27270222 has 16 divisors (see below), whose sum is σ = 62332032. Its totient is φ = 7791480.

The previous prime is 27270211. The next prime is 27270239. The reversal of 27270222 is 22207272.

It is a junction number, because it is equal to n+sod(n) for n = 27270192 and 27270201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324604 + ... + 324687.

It is an arithmetic number, because the mean of its divisors is an integer number (3895752).

Almost surely, 2^27270222 is an apocalyptic number.

27270222 is an abundant number, since it is smaller than the sum of its proper divisors (35061810).

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

27270222 is a wasteful number, since it uses less digits than its factorization.

27270222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649303.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 27270222 is about 5222.0898115601. The cubic root of 27270222 is about 300.9975018464.

Adding to 27270222 its reverse (22207272), we get a palindrome (49477494).

The spelling of 27270222 in words is "twenty-seven million, two hundred seventy thousand, two hundred twenty-two".