229231740 has 48 divisors (see below), whose sum is σ = 679607712. Its totient is φ = 57532416.

The previous prime is 229231727. The next prime is 229231787. The reversal of 229231740 is 47132922.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 229231698 and 229231707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111349 + ... + 113388.

It is an arithmetic number, because the mean of its divisors is an integer number (14158494).

Almost surely, 2^229231740 is an apocalyptic number.

229231740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229231740 is an abundant number, since it is smaller than the sum of its proper divisors (450375972).

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

229231740 is a wasteful number, since it uses less digits than its factorization.

229231740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224766 (or 224764 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 229231740 is about 15140.4009193944. The cubic root of 229231740 is about 612.0096222162.

The spelling of 229231740 in words is "two hundred twenty-nine million, two hundred thirty-one thousand, seven hundred forty".