133420221235522 has 32 divisors (see below), whose sum is σ = 219180182981760. Its totient is φ = 60534239249280.

The previous prime is 133420221235481. The next prime is 133420221235531. The reversal of 133420221235522 is 225532122024331.

It is a super-2 number, since 2×133420221235522² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170867763 + ... + 171646825.

It is an arithmetic number, because the mean of its divisors is an integer number (6849380718180).

Almost surely, 2^{133420221235522} is an apocalyptic number.

133420221235522 is a deficient number, since it is larger than the sum of its proper divisors (85759961746238).

133420221235522 is a wasteful number, since it uses less digits than its factorization.

133420221235522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890778.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 133420221235522 its reverse (225532122024331), we get a palindrome (358952343259853).

The spelling of 133420221235522 in words is "one hundred thirty-three trillion, four hundred twenty billion, two hundred twenty-one million, two hundred thirty-five thousand, five hundred twenty-two".