4256143022 has 4 divisors (see below), whose sum is σ = 6384214536. Its totient is φ = 2128071510.

The previous prime is 4256143019. The next prime is 4256143027. The reversal of 4256143022 is 2203416524.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×4256143022² = 36229506847438584968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256143027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064035754 + ... + 1064035757.

It is an arithmetic number, because the mean of its divisors is an integer number (1596053634).

Almost surely, 2^4256143022 is an apocalyptic number.

4256143022 is a deficient number, since it is larger than the sum of its proper divisors (2128071514).

4256143022 is a wasteful number, since it uses less digits than its factorization.

4256143022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128071513.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 4256143022 is about 65239.1218671741. The cubic root of 4256143022 is about 1620.5859565541.

Adding to 4256143022 its reverse (2203416524), we get a palindrome (6459559546).

The spelling of 4256143022 in words is "four billion, two hundred fifty-six million, one hundred forty-three thousand, twenty-two".