229050640 has 160 divisors (see below), whose sum is σ = 665957376. Its totient is φ = 71331840.

The previous prime is 229050631. The next prime is 229050649. The reversal of 229050640 is 46050922.

It is an interprime number because it is at equal distance from previous prime (229050631) and next prime (229050649).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 229050599 and 229050608.

It is not an unprimeable number, because it can be changed into a prime (229050649) 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 31 ways as a sum of consecutive naturals, for example, 531225 + ... + 531655.

Almost surely, 2^229050640 is an apocalyptic number.

229050640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229050640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332978688).

229050640 is an abundant number, since it is smaller than the sum of its proper divisors (436906736).

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

229050640 is a wasteful number, since it uses less digits than its factorization.

229050640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 229050640 is about 15134.4190506276. The cubic root of 229050640 is about 611.8484110578.

The spelling of 229050640 in words is "two hundred twenty-nine million, fifty thousand, six hundred forty".