2221931334 has 16 divisors (see below), whose sum is σ = 5078700288. Its totient is φ = 634837512.

The previous prime is 2221931329. The next prime is 2221931339. The reversal of 2221931334 is 4331391222.

It is an interprime number because it is at equal distance from previous prime (2221931329) and next prime (2221931339).

It is a super-2 number, since 2×2221931334² = 9873957706022039112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221931339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26451522 + ... + 26451605.

It is an arithmetic number, because the mean of its divisors is an integer number (317418768).

Almost surely, 2^2221931334 is an apocalyptic number.

2221931334 is an abundant number, since it is smaller than the sum of its proper divisors (2856768954).

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

2221931334 is a wasteful number, since it uses less digits than its factorization.

2221931334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52903139.

The product of its digits is 7776, while the sum is 30.

The square root of 2221931334 is about 47137.3666426117. The cubic root of 2221931334 is about 1304.8989384606.

The spelling of 2221931334 in words is "two billion, two hundred twenty-one million, nine hundred thirty-one thousand, three hundred thirty-four".