4257007722 has 72 divisors (see below), whose sum is σ = 10671941280. Its totient is φ = 1222095600.

The previous prime is 4257007717. The next prime is 4257007747. The reversal of 4257007722 is 2277007524.

It is a super-2 number, since 2×4257007722² = 36244229490335258568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10054 + ... + 92817.

Almost surely, 2^4257007722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4257007722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5335970640).

4257007722 is an abundant number, since it is smaller than the sum of its proper divisors (6414933558).

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

4257007722 is a wasteful number, since it uses less digits than its factorization.

4257007722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102920 (or 102906 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 4257007722 is about 65245.7486890908. The cubic root of 4257007722 is about 1620.6956979937.

The spelling of 4257007722 in words is "four billion, two hundred fifty-seven million, seven thousand, seven hundred twenty-two".