29768228 has 12 divisors (see below), whose sum is σ = 59536512. Its totient is φ = 12757800.

The previous prime is 29768209. The next prime is 29768243. The reversal of 29768228 is 82286792.

29768228 is an admirable number.

It is a super-2 number, since 2×29768228² = 1772294796519968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531548 + ... + 531603.

It is an arithmetic number, because the mean of its divisors is an integer number (4961376).

Almost surely, 2^29768228 is an apocalyptic number.

29768228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29768228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

29768228 is a wasteful number, since it uses less digits than its factorization.

29768228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063162 (or 1063160 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 29768228 is about 5456.0267594652. The cubic root of 29768228 is about 309.9209926996.

The spelling of 29768228 in words is "twenty-nine million, seven hundred sixty-eight thousand, two hundred twenty-eight".