27401222 has 4 divisors (see below), whose sum is σ = 41101836. Its totient is φ = 13700610.

The previous prime is 27401221. The next prime is 27401267. The reversal of 27401222 is 22210472.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 27401194 and 27401203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27401221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6850304 + ... + 6850307.

It is an arithmetic number, because the mean of its divisors is an integer number (10275459).

Almost surely, 2^27401222 is an apocalyptic number.

27401222 is a deficient number, since it is larger than the sum of its proper divisors (13700614).

27401222 is a wasteful number, since it uses less digits than its factorization.

27401222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13700613.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 27401222 is about 5234.6176555695. The cubic root of 27401222 is about 301.4787068524.

Adding to 27401222 its reverse (22210472), we get a palindrome (49611694).

The spelling of 27401222 in words is "twenty-seven million, four hundred one thousand, two hundred twenty-two".