1522423145420 has 24 divisors (see below), whose sum is σ = 3216232855584. Its totient is φ = 605322734336.

The previous prime is 1522423145401. The next prime is 1522423145443. The reversal of 1522423145420 is 245413242251.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227904317 + ... + 227910996.

It is an arithmetic number, because the mean of its divisors is an integer number (134009702316).

Almost surely, 2^{1522423145420} is an apocalyptic number.

1522423145420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1522423145420 is an abundant number, since it is smaller than the sum of its proper divisors (1693809710164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1522423145420 is a wasteful number, since it uses less digits than its factorization.

1522423145420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455815489 (or 455815487 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1522423145420 its reverse (245413242251), we get a palindrome (1767836387671).

The spelling of 1522423145420 in words is "one trillion, five hundred twenty-two billion, four hundred twenty-three million, one hundred forty-five thousand, four hundred twenty".