229770000 has 400 divisors, whose sum is σ = 883217280. Its totient is φ = 57024000.

The previous prime is 229769993. The next prime is 229770007. The reversal of 229770000 is 77922.

It is an interprime number because it is at equal distance from previous prime (229769993) and next prime (229770007).

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (229770007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6209982 + ... + 6210018.

Almost surely, 2^229770000 is an apocalyptic number.

229770000 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 229770000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441608640).

229770000 is an abundant number, since it is smaller than the sum of its proper divisors (653447280).

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

229770000 is a wasteful number, since it uses less digits than its factorization.

229770000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 229770000 is about 15158.1661159917. The cubic root of 229770000 is about 612.4882685522.

The spelling of 229770000 in words is "two hundred twenty-nine million, seven hundred seventy thousand".