220562361 has 6 divisors (see below), whose sum is σ = 318590090. Its totient is φ = 147041568.

The previous prime is 220562359. The next prime is 220562389. The reversal of 220562361 is 163265022.

220562361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 187142400 + 33419961 = 13680^2 + 5781^2 .

It is not a de Polignac number, because 220562361 - 2¹ = 220562359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220562311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12253456 + ... + 12253473.

Almost surely, 2^220562361 is an apocalyptic number.

It is an amenable number.

220562361 is a deficient number, since it is larger than the sum of its proper divisors (98027729).

220562361 is a wasteful number, since it uses less digits than its factorization.

220562361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24506935 (or 24506932 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 220562361 is about 14851.3420605681. The cubic root of 220562361 is about 604.1950097989.

The spelling of 220562361 in words is "two hundred twenty million, five hundred sixty-two thousand, three hundred sixty-one".