4242226537 has 4 divisors (see below), whose sum is σ = 4242754516. Its totient is φ = 4241698560.

The previous prime is 4242226519. The next prime is 4242226607. The reversal of 4242226537 is 7356222424.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 711608976 + 3530617561 = 26676^2 + 59419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4242226537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4242226496 and 4242226505.

It is not an unprimeable number, because it can be changed into a prime (4212226537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251748 + ... + 268069.

It is an arithmetic number, because the mean of its divisors is an integer number (1060688629).

Almost surely, 2^4242226537 is an apocalyptic number.

It is an amenable number.

4242226537 is a deficient number, since it is larger than the sum of its proper divisors (527979).

4242226537 is an equidigital number, since it uses as much as digits as its factorization.

4242226537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527978.

The product of its digits is 161280, while the sum is 37.

The square root of 4242226537 is about 65132.3770255623. The cubic root of 4242226537 is about 1618.8177291976.

The spelling of 4242226537 in words is "four billion, two hundred forty-two million, two hundred twenty-six thousand, five hundred thirty-seven".