220211272 has 32 divisors (see below), whose sum is σ = 426987000. Its totient is φ = 106389504.

The previous prime is 220211267. The next prime is 220211279. The reversal of 220211272 is 272112022.

It can be written as a sum of positive squares in 4 ways, for example, as 176730436 + 43480836 = 13294^2 + 6594^2 .

It is not an unprimeable number, because it can be changed into a prime (220211279) 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, 41608 + ... + 46600.

Almost surely, 2^220211272 is an apocalyptic number.

It is an amenable number.

220211272 is a deficient number, since it is larger than the sum of its proper divisors (206775728).

220211272 is a wasteful number, since it uses less digits than its factorization.

220211272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185 (or 5181 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 220211272 is about 14839.5172428216. The cubic root of 220211272 is about 603.8742556533.

Adding to 220211272 its reverse (272112022), we get a palindrome (492323294).

The spelling of 220211272 in words is "two hundred twenty million, two hundred eleven thousand, two hundred seventy-two".