68422244 has 12 divisors (see below), whose sum is σ = 130624368. Its totient is φ = 31101000.

The previous prime is 68422219. The next prime is 68422247. The reversal of 68422244 is 44222486.

It is a self number, because there is not a number n which added to its sum of digits gives 68422244.

It is not an unprimeable number, because it can be changed into a prime (68422247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777482 + ... + 777569.

It is an arithmetic number, because the mean of its divisors is an integer number (10885364).

Almost surely, 2^68422244 is an apocalyptic number.

It is an amenable number.

68422244 is a deficient number, since it is larger than the sum of its proper divisors (62202124).

68422244 is a wasteful number, since it uses less digits than its factorization.

68422244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555066 (or 1555064 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

The square root of 68422244 is about 8271.7739330811. The cubic root of 68422244 is about 409.0085981259.

The spelling of 68422244 in words is "sixty-eight million, four hundred twenty-two thousand, two hundred forty-four".