221134034 has 24 divisors (see below), whose sum is σ = 365434524. Its totient is φ = 100284800.

The previous prime is 221133971. The next prime is 221134037. The reversal of 221134034 is 430431122.

It can be written as a sum of positive squares in 2 ways, for example, as 196084009 + 25050025 = 14003^2 + 5005^2 .

It is a super-2 number, since 2×221134034² = 97800521986226312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 221133997 and 221134015.

It is not an unprimeable number, because it can be changed into a prime (221134037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148574 + ... + 150054.

Almost surely, 2^221134034 is an apocalyptic number.

221134034 is a deficient number, since it is larger than the sum of its proper divisors (144300490).

221134034 is a wasteful number, since it uses less digits than its factorization.

221134034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 221134034 is about 14870.5761152687. The cubic root of 221134034 is about 604.7165614465.

Adding to 221134034 its reverse (430431122), we get a palindrome (651565156).

The spelling of 221134034 in words is "two hundred twenty-one million, one hundred thirty-four thousand, thirty-four".