222471560 has 32 divisors (see below), whose sum is σ = 504227160. Its totient is φ = 88336896.

The previous prime is 222471559. The next prime is 222471563. The reversal of 222471560 is 65174222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 220403716 + 2067844 = 14846^2 + 1438^2 .

It is not an unprimeable number, because it can be changed into a prime (222471563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14819 + ... + 25778.

Almost surely, 2^222471560 is an apocalyptic number.

222471560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222471560 is an abundant number, since it is smaller than the sum of its proper divisors (281755600).

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

222471560 is a wasteful number, since it uses less digits than its factorization.

222471560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40745 (or 40741 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 222471560 is about 14915.4805487453. The cubic root of 222471560 is about 605.9333180086.

The spelling of 222471560 in words is "two hundred twenty-two million, four hundred seventy-one thousand, five hundred sixty".