2221235135418 has 32 divisors (see below), whose sum is σ = 4784267521152. Its totient is φ = 683447140800.

The previous prime is 2221235135333. The next prime is 2221235135419. The reversal of 2221235135418 is 8145315321222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2221235135419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6770923 + ... + 7091393.

It is an arithmetic number, because the mean of its divisors is an integer number (149508360036).

Almost surely, 2^{2221235135418} is an apocalyptic number.

2221235135418 is an abundant number, since it is smaller than the sum of its proper divisors (2563032385734).

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

2221235135418 is a wasteful number, since it uses less digits than its factorization.

2221235135418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409350.

The product of its digits is 115200, while the sum is 39.

The spelling of 2221235135418 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-five million, one hundred thirty-five thousand, four hundred eighteen".