4221362536 has 8 divisors (see below), whose sum is σ = 7915054770. Its totient is φ = 2110681264.

The previous prime is 4221362521. The next prime is 4221362539. The reversal of 4221362536 is 6352631224.

It can be written as a sum of positive squares in only one way, i.e., 2874032100 + 1347330436 = 53610^2 + 36706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (4221362539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263835151 + ... + 263835166.

Almost surely, 2^4221362536 is an apocalyptic number.

It is an amenable number.

4221362536 is a deficient number, since it is larger than the sum of its proper divisors (3693692234).

4221362536 is a wasteful number, since it uses less digits than its factorization.

4221362536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527670323 (or 527670319 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 4221362536 is about 64972.0134827296. The cubic root of 4221362536 is about 1616.1594917005.

The spelling of 4221362536 in words is "four billion, two hundred twenty-one million, three hundred sixty-two thousand, five hundred thirty-six".