1422350141521 has 4 divisors (see below), whose sum is σ = 1422398244592. Its totient is φ = 1422302038452.

The previous prime is 1422350141507. The next prime is 1422350141551. The reversal of 1422350141521 is 1251410532241.

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 1422350141521 - 2⁵ = 1422350141489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422350141501) 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, 24007155 + ... + 24066328.

It is an arithmetic number, because the mean of its divisors is an integer number (355599561148).

Almost surely, 2^{1422350141521} is an apocalyptic number.

It is an amenable number.

1422350141521 is a deficient number, since it is larger than the sum of its proper divisors (48103071).

1422350141521 is an equidigital number, since it uses as much as digits as its factorization.

1422350141521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48103070.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 1422350141521 its reverse (1251410532241), we get a palindrome (2673760673762).

The spelling of 1422350141521 in words is "one trillion, four hundred twenty-two billion, three hundred fifty million, one hundred forty-one thousand, five hundred twenty-one".