229231420 has 24 divisors (see below), whose sum is σ = 525148848. Its totient is φ = 83356800.

The previous prime is 229231411. The next prime is 229231421. The reversal of 229231420 is 24132922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229231421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520761 + ... + 521200.

It is an arithmetic number, because the mean of its divisors is an integer number (21881202).

Almost surely, 2^229231420 is an apocalyptic number.

229231420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229231420 is an abundant number, since it is smaller than the sum of its proper divisors (295917428).

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

229231420 is a wasteful number, since it uses less digits than its factorization.

229231420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041981 (or 1041979 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 229231420 is about 15140.3903516389. The cubic root of 229231420 is about 612.0093374343.

The spelling of 229231420 in words is "two hundred twenty-nine million, two hundred thirty-one thousand, four hundred twenty".