220227656 has 32 divisors (see below), whose sum is σ = 476966880. Its totient is φ = 94214400.

The previous prime is 220227649. The next prime is 220227659. The reversal of 220227656 is 656722022.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (220227659) 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, 72110 + ... + 75101.

It is an arithmetic number, because the mean of its divisors is an integer number (14905215).

Almost surely, 2^220227656 is an apocalyptic number.

It is an amenable number.

220227656 is an abundant number, since it is smaller than the sum of its proper divisors (256739224).

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

220227656 is a wasteful number, since it uses less digits than its factorization.

220227656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147245 (or 147241 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 220227656 is about 14840.0692720755. The cubic root of 220227656 is about 603.8892316207.

Adding to 220227656 its reverse (656722022), we get a palindrome (876949678).

The spelling of 220227656 in words is "two hundred twenty million, two hundred twenty-seven thousand, six hundred fifty-six".