3642220357 has 4 divisors (see below), whose sum is σ = 3726923200. Its totient is φ = 3557517516.

The previous prime is 3642220339. The next prime is 3642220423. The reversal of 3642220357 is 7530222463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3642220357 - 2¹¹ = 3642218309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642220327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42351357 + ... + 42351442.

It is an arithmetic number, because the mean of its divisors is an integer number (931730800).

Almost surely, 2^3642220357 is an apocalyptic number.

It is an amenable number.

3642220357 is a deficient number, since it is larger than the sum of its proper divisors (84702843).

3642220357 is an equidigital number, since it uses as much as digits as its factorization.

3642220357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84702842.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 3642220357 is about 60350.8107402046. The cubic root of 3642220357 is about 1538.5870490122.

The spelling of 3642220357 in words is "three billion, six hundred forty-two million, two hundred twenty thousand, three hundred fifty-seven".