229154731 has 16 divisors (see below), whose sum is σ = 250967808. Its totient is φ = 207972000.

The previous prime is 229154719. The next prime is 229154741. The reversal of 229154731 is 137451922.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 229154731 - 2²³ = 220766123 is a prime.

It is a super-2 number, since 2×229154731² = 105023781479364722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229154711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209496 + ... + 210586.

It is an arithmetic number, because the mean of its divisors is an integer number (15685488).

Almost surely, 2^229154731 is an apocalyptic number.

229154731 is a deficient number, since it is larger than the sum of its proper divisors (21813077).

229154731 is a wasteful number, since it uses less digits than its factorization.

229154731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362.

The product of its digits is 15120, while the sum is 34.

The square root of 229154731 is about 15137.8575432589. The cubic root of 229154731 is about 611.9410809114.

The spelling of 229154731 in words is "two hundred twenty-nine million, one hundred fifty-four thousand, seven hundred thirty-one".