2221402154214 has 8 divisors (see below), whose sum is σ = 4442804308440. Its totient is φ = 740467384736.

The previous prime is 2221402154189. The next prime is 2221402154287. The reversal of 2221402154214 is 4124512041222.

It is a sphenic number, since it is the product of 3 distinct primes.

2221402154214 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185116846179 + ... + 185116846190.

It is an arithmetic number, because the mean of its divisors is an integer number (555350538555).

Almost surely, 2^{2221402154214} is an apocalyptic number.

2221402154214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2221402154214 is a wasteful number, since it uses less digits than its factorization.

2221402154214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370233692374.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 2221402154214 its reverse (4124512041222), we get a palindrome (6345914195436).

The spelling of 2221402154214 in words is "two trillion, two hundred twenty-one billion, four hundred two million, one hundred fifty-four thousand, two hundred fourteen".