3722145601 has 4 divisors (see below), whose sum is σ = 3722295600. Its totient is φ = 3721995604.

The previous prime is 3722145577. The next prime is 3722145613. The reversal of 3722145601 is 1065412273.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1065412273 = 14557 ⋅73189.

It is a cyclic number.

It is not a de Polignac number, because 3722145601 - 2⁵ = 3722145569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3722145701) 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, 27931 + ... + 90688.

It is an arithmetic number, because the mean of its divisors is an integer number (930573900).

Almost surely, 2^3722145601 is an apocalyptic number.

It is an amenable number.

3722145601 is a deficient number, since it is larger than the sum of its proper divisors (149999).

3722145601 is a wasteful number, since it uses less digits than its factorization.

3722145601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149998.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 3722145601 is about 61009.3894494938. The cubic root of 3722145601 is about 1549.7600184828.

Adding to 3722145601 its reverse (1065412273), we get a palindrome (4787557874).

The spelling of 3722145601 in words is "three billion, seven hundred twenty-two million, one hundred forty-five thousand, six hundred one".