2229054381 has 24 divisors (see below), whose sum is σ = 3321073080. Its totient is φ = 1439617536.

The previous prime is 2229054379. The next prime is 2229054419. The reversal of 2229054381 is 1834509222.

It is a happy number.

2229054381 is a `hidden beast` number, since 2 + 22 + 90 + 543 + 8 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 331058025 + 1897996356 = 18195^2 + 43566^2 .

It is not a de Polignac number, because 2229054381 - 2¹ = 2229054379 is a prime.

It is a super-2 number, since 2×2229054381² = 9937366866910586322, 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 (2229054481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63225 + ... + 91953.

It is an arithmetic number, because the mean of its divisors is an integer number (138378045).

Almost surely, 2^2229054381 is an apocalyptic number.

It is an amenable number.

2229054381 is a deficient number, since it is larger than the sum of its proper divisors (1092018699).

2229054381 is a wasteful number, since it uses less digits than its factorization.

2229054381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29005 (or 29002 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2229054381 is about 47212.8624529375. The cubic root of 2229054381 is about 1306.2918620437.

The spelling of 2229054381 in words is "two billion, two hundred twenty-nine million, fifty-four thousand, three hundred eighty-one".