411222220 has 12 divisors (see below), whose sum is σ = 863566704. Its totient is φ = 164488880.

The previous prime is 411222199. The next prime is 411222239. The reversal of 411222220 is 22222114.

It is a junction number, because it is equal to n+sod(n) for n = 411222194 and 411222203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10280536 + ... + 10280575.

It is an arithmetic number, because the mean of its divisors is an integer number (71963892).

Almost surely, 2^411222220 is an apocalyptic number.

It is an amenable number.

411222220 is an abundant number, since it is smaller than the sum of its proper divisors (452344484).

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

411222220 is a wasteful number, since it uses less digits than its factorization.

411222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20561120 (or 20561118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 411222220 is about 20278.6148442146. The cubic root of 411222220 is about 743.6333487461.

Adding to 411222220 its reverse (22222114), we get a palindrome (433444334).

The spelling of 411222220 in words is "four hundred eleven million, two hundred twenty-two thousand, two hundred twenty".