4145222501 has 4 divisors (see below), whose sum is σ = 4737397152. Its totient is φ = 3553047852.

The previous prime is 4145222447. The next prime is 4145222513. The reversal of 4145222501 is 1052225414.

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 a de Polignac number, because none of the positive numbers 2^k-4145222501 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 (4145222551) 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 in 3 ways as a sum of consecutive naturals, for example, 296087315 + ... + 296087328.

It is an arithmetic number, because the mean of its divisors is an integer number (1184349288).

Almost surely, 2^4145222501 is an apocalyptic number.

It is an amenable number.

4145222501 is a deficient number, since it is larger than the sum of its proper divisors (592174651).

4145222501 is an equidigital number, since it uses as much as digits as its factorization.

4145222501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592174650.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4145222501 is about 64383.4023720400. The cubic root of 4145222501 is about 1606.3836763674.

Adding to 4145222501 its reverse (1052225414), we get a palindrome (5197447915).

The spelling of 4145222501 in words is "four billion, one hundred forty-five million, two hundred twenty-two thousand, five hundred one".