4222636724 has 6 divisors (see below), whose sum is σ = 7389614274. Its totient is φ = 2111318360.

The previous prime is 4222636721. The next prime is 4222636757. The reversal of 4222636724 is 4276362224.

It can be written as a sum of positive squares in only one way, i.e., 3342921124 + 879715600 = 57818^2 + 29660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222636721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527829587 + ... + 527829594.

It is an arithmetic number, because the mean of its divisors is an integer number (1231602379).

Almost surely, 2^4222636724 is an apocalyptic number.

It is an amenable number.

4222636724 is a deficient number, since it is larger than the sum of its proper divisors (3166977550).

4222636724 is a wasteful number, since it uses less digits than its factorization.

4222636724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055659185 (or 1055659183 counting only the distinct ones).

The product of its digits is 193536, while the sum is 38.

The square root of 4222636724 is about 64981.8184109986. The cubic root of 4222636724 is about 1616.3220840589.

Adding to 4222636724 its reverse (4276362224), we get a palindrome (8498998948).

The spelling of 4222636724 in words is "four billion, two hundred twenty-two million, six hundred thirty-six thousand, seven hundred twenty-four".