27220534 has 8 divisors (see below), whose sum is σ = 44542728. Its totient is φ = 12372960.

The previous prime is 27220517. The next prime is 27220541. The reversal of 27220534 is 43502272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 27220499 and 27220508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618627 + ... + 618670.

It is an arithmetic number, because the mean of its divisors is an integer number (5567841).

Almost surely, 2^27220534 is an apocalyptic number.

27220534 is a deficient number, since it is larger than the sum of its proper divisors (17322194).

27220534 is a wasteful number, since it uses less digits than its factorization.

27220534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237310.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 27220534 is about 5217.3301601490. The cubic root of 27220534 is about 300.8145787953.

The spelling of 27220534 in words is "twenty-seven million, two hundred twenty thousand, five hundred thirty-four".