2221538014 has 8 divisors (see below), whose sum is σ = 3413582928. Its totient is φ = 1083677040.

The previous prime is 2221537993. The next prime is 2221538017. The reversal of 2221538014 is 4108351222.

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

It is a super-2 number, since 2×2221538014² = 9870462295294128392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221538017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13545882 + ... + 13546045.

It is an arithmetic number, because the mean of its divisors is an integer number (426697866).

Almost surely, 2^2221538014 is an apocalyptic number.

2221538014 is a deficient number, since it is larger than the sum of its proper divisors (1192044914).

2221538014 is a wasteful number, since it uses less digits than its factorization.

2221538014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27091970.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2221538014 is about 47133.1943963063. The cubic root of 2221538014 is about 1304.8219374105.

Adding to 2221538014 its reverse (4108351222), we get a palindrome (6329889236).

The spelling of 2221538014 in words is "two billion, two hundred twenty-one million, five hundred thirty-eight thousand, fourteen".