1220250411 has 24 divisors (see below), whose sum is σ = 1773218304. Its totient is φ = 808611120.

The previous prime is 1220250401. The next prime is 1220250419. The reversal of 1220250411 is 1140520221.

1220250411 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 250 + 411 = 666.

It is not a de Polignac number, because 1220250411 - 2¹⁴ = 1220234027 is a prime.

It is a super-2 number, since 2×1220250411² = 2978022131091337842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220250419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1885690 + ... + 1886336.

It is an arithmetic number, because the mean of its divisors is an integer number (73884096).

Almost surely, 2^1220250411 is an apocalyptic number.

1220250411 is a deficient number, since it is larger than the sum of its proper divisors (552967893).

1220250411 is a wasteful number, since it uses less digits than its factorization.

1220250411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1220250411 is about 34932.0828322618. The cubic root of 1220250411 is about 1068.6028321416.

Adding to 1220250411 its reverse (1140520221), we get a palindrome (2360770632).

The spelling of 1220250411 in words is "one billion, two hundred twenty million, two hundred fifty thousand, four hundred eleven".