4222660061557 has 4 divisors (see below), whose sum is σ = 4825897213216. Its totient is φ = 3619422909900.

The previous prime is 4222660061513. The next prime is 4222660061567. The reversal of 4222660061557 is 7551600662224.

It is a happy number.

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 not a de Polignac number, because 4222660061557 - 2²³ = 4222651672949 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 (4222660061507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301618575819 + ... + 301618575832.

It is an arithmetic number, because the mean of its divisors is an integer number (1206474303304).

Almost surely, 2^{4222660061557} is an apocalyptic number.

It is an amenable number.

4222660061557 is a deficient number, since it is larger than the sum of its proper divisors (603237151659).

4222660061557 is an equidigital number, since it uses as much as digits as its factorization.

4222660061557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603237151658.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 4222660061557 in words is "four trillion, two hundred twenty-two billion, six hundred sixty million, sixty-one thousand, five hundred fifty-seven".