68223348 has 18 divisors (see below), whose sum is σ = 172453554. Its totient is φ = 22741104.

The previous prime is 68223347. The next prime is 68223371. The reversal of 68223348 is 84332286.

It can be written as a sum of positive squares in only one way, i.e., 52446564 + 15776784 = 7242^2 + 3972^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1895093 = 68223348 / (6 + 8 + 2 + 2 + 3 + 3 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68223347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 947511 + ... + 947582.

It is an arithmetic number, because the mean of its divisors is an integer number (9580753).

Almost surely, 2^68223348 is an apocalyptic number.

It is an amenable number.

68223348 is an abundant number, since it is smaller than the sum of its proper divisors (104230206).

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

68223348 is a wasteful number, since it uses less digits than its factorization.

68223348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895103 (or 1895098 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 68223348 is about 8259.7426110019. The cubic root of 68223348 is about 408.6118990298.

The spelling of 68223348 in words is "sixty-eight million, two hundred twenty-three thousand, three hundred forty-eight".