229116400 has 30 divisors (see below), whose sum is σ = 550453112. Its totient is φ = 91646400.

The previous prime is 229116397. The next prime is 229116401. The reversal of 229116400 is 4611922.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229116401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 285996 + ... + 286795.

Almost surely, 2^229116400 is an apocalyptic number.

229116400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229116400 is an abundant number, since it is smaller than the sum of its proper divisors (321336712).

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

229116400 is a wasteful number, since it uses less digits than its factorization.

229116400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572809 (or 572798 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 229116400 is about 15136.5914260774. The cubic root of 229116400 is about 611.9069589574.

The spelling of 229116400 in words is "two hundred twenty-nine million, one hundred sixteen thousand, four hundred".