238221054 has 16 divisors (see below), whose sum is σ = 529380240. Its totient is φ = 79407000.

The previous prime is 238221047. The next prime is 238221083. The reversal of 238221054 is 450122832.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2205697 + ... + 2205804.

It is an arithmetic number, because the mean of its divisors is an integer number (33086265).

Almost surely, 2^238221054 is an apocalyptic number.

238221054 is an abundant number, since it is smaller than the sum of its proper divisors (291159186).

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

238221054 is a wasteful number, since it uses less digits than its factorization.

238221054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411512 (or 4411506 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 238221054 is about 15434.4113590380. The cubic root of 238221054 is about 619.9072476580.

Adding to 238221054 its reverse (450122832), we get a palindrome (688343886).

It can be divided in two parts, 2382 and 21054, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 238221054 in words is "two hundred thirty-eight million, two hundred twenty-one thousand, fifty-four".