4256011222 has 8 divisors (see below), whose sum is σ = 6388996536. Its totient is φ = 2126345712.

The previous prime is 4256011181. The next prime is 4256011231. The reversal of 4256011222 is 2221106524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4256011222² = 36227263043579866568, which contains 22 as substring.

It is a congruent number.

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, 826743 + ... + 831874.

It is an arithmetic number, because the mean of its divisors is an integer number (798624567).

Almost surely, 2^4256011222 is an apocalyptic number.

4256011222 is a deficient number, since it is larger than the sum of its proper divisors (2132985314).

4256011222 is a wasteful number, since it uses less digits than its factorization.

4256011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659902.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 4256011222 is about 65238.1117292645. Note that the first 3 decimals coincide. The cubic root of 4256011222 is about 1620.5692281506.

Adding to 4256011222 its reverse (2221106524), we get a palindrome (6477117746).

The spelling of 4256011222 in words is "four billion, two hundred fifty-six million, eleven thousand, two hundred twenty-two".