238609822 has 12 divisors (see below), whose sum is σ = 393410808. Its totient is φ = 108458900.

The previous prime is 238609799. The next prime is 238609831. The reversal of 238609822 is 228906832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 492754 + ... + 493237.

It is an arithmetic number, because the mean of its divisors is an integer number (32784234).

Almost surely, 2^238609822 is an apocalyptic number.

238609822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

238609822 is a deficient number, since it is larger than the sum of its proper divisors (154800986).

238609822 is a wasteful number, since it uses less digits than its factorization.

238609822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986015 (or 986004 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 238609822 is about 15447.0004207937. Note that the first 3 decimals coincide. The cubic root of 238609822 is about 620.2442863236.

The spelling of 238609822 in words is "two hundred thirty-eight million, six hundred nine thousand, eight hundred twenty-two".