290222273 has 8 divisors (see below), whose sum is σ = 316845696. Its totient is φ = 263638800.

The previous prime is 290222267. The next prime is 290222327. The reversal of 290222273 is 372222092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 290222273 - 2¹⁰ = 290221249 is a prime.

It is a super-3 number, since 3×290222273³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290222213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6383 + ... + 24923.

It is an arithmetic number, because the mean of its divisors is an integer number (39605712).

Almost surely, 2^290222273 is an apocalyptic number.

It is an amenable number.

290222273 is a deficient number, since it is larger than the sum of its proper divisors (26623423).

290222273 is a wasteful number, since it uses less digits than its factorization.

290222273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19975.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 290222273 is about 17035.9112758901. The cubic root of 290222273 is about 662.0796606432.

The spelling of 290222273 in words is "two hundred ninety million, two hundred twenty-two thousand, two hundred seventy-three".