4222405251 has 48 divisors (see below), whose sum is σ = 6588241920. Its totient is φ = 2598266880.

The previous prime is 4222405211. The next prime is 4222405259. The reversal of 4222405251 is 1525042224.

4222405251 is a `hidden beast` number, since 4 + 2 + 2 + 2 + 405 + 251 = 666.

It is not a de Polignac number, because 4222405251 - 2⁷ = 4222405123 is a prime.

It is a super-2 number, since 2×4222405251² = 35657412207344746002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4222405259) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2996035 + ... + 2997443.

It is an arithmetic number, because the mean of its divisors is an integer number (137255040).

Almost surely, 2^4222405251 is an apocalyptic number.

4222405251 is a deficient number, since it is larger than the sum of its proper divisors (2365836669).

4222405251 is a wasteful number, since it uses less digits than its factorization.

4222405251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936 (or 1933 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 4222405251 is about 64980.0373268591. The cubic root of 4222405251 is about 1616.2925494511.

Adding to 4222405251 its reverse (1525042224), we get a palindrome (5747447475).

The spelling of 4222405251 in words is "four billion, two hundred twenty-two million, four hundred five thousand, two hundred fifty-one".