255629229 has 16 divisors (see below), whose sum is σ = 359251200. Its totient is φ = 161435456.

The previous prime is 255629207. The next prime is 255629239. The reversal of 255629229 is 922926552.

It is not a de Polignac number, because 255629229 - 2²¹ = 253532077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255629239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23109 + ... + 32330.

It is an arithmetic number, because the mean of its divisors is an integer number (22453200).

Almost surely, 2^255629229 is an apocalyptic number.

255629229 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

255629229 is a deficient number, since it is larger than the sum of its proper divisors (103621971).

255629229 is a wasteful number, since it uses less digits than its factorization.

255629229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55524.

The product of its digits is 194400, while the sum is 42.

The square root of 255629229 is about 15988.4092079231. The cubic root of 255629229 is about 634.6537298252.

The spelling of 255629229 in words is "two hundred fifty-five million, six hundred twenty-nine thousand, two hundred twenty-nine".