4226722042 has 4 divisors (see below), whose sum is σ = 6340083066. Its totient is φ = 2113361020.

The previous prime is 4226722037. The next prime is 4226722057. The reversal of 4226722042 is 2402276224.

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

It can be written as a sum of positive squares in only one way, i.e., 3535610521 + 691111521 = 59461^2 + 26289^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4226721995 and 4226722013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056680509 + ... + 1056680512.

Almost surely, 2^4226722042 is an apocalyptic number.

4226722042 is a deficient number, since it is larger than the sum of its proper divisors (2113361024).

4226722042 is a wasteful number, since it uses less digits than its factorization.

4226722042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113361023.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 4226722042 is about 65013.2451274354. The cubic root of 4226722042 is about 1616.8431693265.

Adding to 4226722042 its reverse (2402276224), we get a palindrome (6628998266).

The spelling of 4226722042 in words is "four billion, two hundred twenty-six million, seven hundred twenty-two thousand, forty-two".