229121064 has 24 divisors (see below), whose sum is σ = 620536410. Its totient is φ = 76373664.

The previous prime is 229121059. The next prime is 229121069. The reversal of 229121064 is 460121922.

It is an interprime number because it is at equal distance from previous prime (229121059) and next prime (229121069).

It can be written as a sum of positive squares in only one way, i.e., 141848100 + 87272964 = 11910^2 + 9342^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×229121064³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (229121069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1591047 + ... + 1591190.

Almost surely, 2^229121064 is an apocalyptic number.

229121064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

229121064 is an abundant number, since it is smaller than the sum of its proper divisors (391415346).

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

229121064 is a wasteful number, since it uses less digits than its factorization.

229121064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182249 (or 3182242 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 229121064 is about 15136.7454890409. The cubic root of 229121064 is about 611.9111110168.

Adding to 229121064 its reverse (460121922), we get a palindrome (689242986).

The spelling of 229121064 in words is "two hundred twenty-nine million, one hundred twenty-one thousand, sixty-four".