220522228 has 6 divisors (see below), whose sum is σ = 385913906. Its totient is φ = 110261112.

The previous prime is 220522217. The next prime is 220522243. The reversal of 220522228 is 822225022.

It can be written as a sum of positive squares in only one way, i.e., 211353444 + 9168784 = 14538^2 + 3028^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27565275 + ... + 27565282.

Almost surely, 2^220522228 is an apocalyptic number.

It is an amenable number.

220522228 is a deficient number, since it is larger than the sum of its proper divisors (165391678).

220522228 is a wasteful number, since it uses less digits than its factorization.

220522228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55130561 (or 55130559 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 220522228 is about 14849.9908417480. The cubic root of 220522228 is about 604.1583616161.

The spelling of 220522228 in words is "two hundred twenty million, five hundred twenty-two thousand, two hundred twenty-eight".