2221235135420 has 24 divisors (see below), whose sum is σ = 5330964325344. Its totient is φ = 761566332096.

The previous prime is 2221235135419. The next prime is 2221235135557. The reversal of 2221235135420 is 245315321222.

It is a congruent number.

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, 7932982487 + ... + 7932982766.

It is an arithmetic number, because the mean of its divisors is an integer number (222123513556).

Almost surely, 2^{2221235135420} is an apocalyptic number.

2221235135420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221235135420 is an abundant number, since it is smaller than the sum of its proper divisors (3109729189924).

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

2221235135420 is a wasteful number, since it uses less digits than its factorization.

2221235135420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15865965269 (or 15865965267 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 2221235135420 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-five million, one hundred thirty-five thousand, four hundred twenty".