290029228 has 12 divisors (see below), whose sum is σ = 507785040. Its totient is φ = 144947792.

The previous prime is 290029217. The next prime is 290029237. The reversal of 290029228 is 822920092.

It is a junction number, because it is equal to n+sod(n) for n = 290029193 and 290029202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6208 + ... + 24871.

It is an arithmetic number, because the mean of its divisors is an integer number (42315420).

Almost surely, 2^290029228 is an apocalyptic number.

It is an amenable number.

290029228 is a deficient number, since it is larger than the sum of its proper divisors (217755812).

290029228 is a wasteful number, since it uses less digits than its factorization.

290029228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33416 (or 33414 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 290029228 is about 17030.2445079335. The cubic root of 290029228 is about 661.9328312083.

The spelling of 290029228 in words is "two hundred ninety million, twenty-nine thousand, two hundred twenty-eight".