153312228 has 18 divisors (see below), whose sum is σ = 387539334. Its totient is φ = 51104064.

The previous prime is 153312223. The next prime is 153312233. The reversal of 153312228 is 822213351.

153312228 is a `hidden beast` number, since 1 + 533 + 122 + 2 + 8 = 666.

153312228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (153312223) and next prime (153312233).

It can be written as a sum of positive squares in only one way, i.e., 153214884 + 97344 = 12378^2 + 312^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (153312221) 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, 2129301 + ... + 2129372.

It is an arithmetic number, because the mean of its divisors is an integer number (21529963).

Almost surely, 2^153312228 is an apocalyptic number.

153312228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

153312228 is an abundant number, since it is smaller than the sum of its proper divisors (234227106).

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

153312228 is a wasteful number, since it uses less digits than its factorization.

153312228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258683 (or 4258678 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 153312228 is about 12381.9315132979. The cubic root of 153312228 is about 535.2116994902.

Adding to 153312228 its reverse (822213351), we get a palindrome (975525579).

The spelling of 153312228 in words is "one hundred fifty-three million, three hundred twelve thousand, two hundred twenty-eight".