60223221 has 12 divisors (see below), whose sum is σ = 87147372. Its totient is φ = 40075776.

The previous prime is 60223213. The next prime is 60223243. The reversal of 60223221 is 12232206.

It can be written as a sum of positive squares in 2 ways, for example, as 57380625 + 2842596 = 7575^2 + 1686^2 .

It is not a de Polignac number, because 60223221 - 2³ = 60223213 is a prime.

It is a super-2 number, since 2×60223221² = 7253672695229682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 60223194 and 60223203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60223291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606 + ... + 10991.

It is an arithmetic number, because the mean of its divisors is an integer number (7262281).

Almost surely, 2^60223221 is an apocalyptic number.

It is an amenable number.

60223221 is a deficient number, since it is larger than the sum of its proper divisors (26924151).

60223221 is a wasteful number, since it uses less digits than its factorization.

60223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12180 (or 12177 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 60223221 is about 7760.3621693836. The cubic root of 60223221 is about 391.9716525558.

Adding to 60223221 its reverse (12232206), we get a palindrome (72455427).

It can be divided in two parts, 602232 and 21, that added together give a triangular number (602253 = T₁₀₉₇).

The spelling of 60223221 in words is "sixty million, two hundred twenty-three thousand, two hundred twenty-one".